From 8f8b72440945996444ab4da6ccf08d7693fb80d1 Mon Sep 17 00:00:00 2001
From: HbmMods <hbmmods@gmail.com>
Date: Thu, 11 Apr 2019 22:18:52 +0200
Subject: [PATCH] new deco textures, concrete variations, twinkies, more capes

---
 assets/hbm/lang/de_DE.lang                    |    1 +
 assets/hbm/lang/en_US.lang                    |    1 +
 assets/hbm/textures/blocks/deco_aluminium.png |  Bin 332 -> 442 bytes
 .../textures/blocks/deco_aluminium_alt.png    |  Bin 0 -> 332 bytes
 assets/hbm/textures/blocks/deco_beryllium.png |  Bin 335 -> 446 bytes
 .../textures/blocks/deco_beryllium_alt.png    |  Bin 0 -> 335 bytes
 .../{deco_blank.png => deco_blank_alt.png}    |  Bin
 assets/hbm/textures/blocks/deco_lead.png      |  Bin 335 -> 446 bytes
 assets/hbm/textures/blocks/deco_lead_alt.png  |  Bin 0 -> 335 bytes
 .../hbm/textures/blocks/deco_red_copper.png   |  Bin 339 -> 439 bytes
 .../textures/blocks/deco_red_copper_alt.png   |  Bin 0 -> 339 bytes
 assets/hbm/textures/blocks/deco_steel.png     |  Bin 332 -> 442 bytes
 assets/hbm/textures/blocks/deco_steel_alt.png |  Bin 0 -> 332 bytes
 assets/hbm/textures/blocks/deco_titanium.png  |  Bin 330 -> 444 bytes
 .../hbm/textures/blocks/deco_titanium_alt.png |  Bin 0 -> 330 bytes
 assets/hbm/textures/blocks/deco_tungsten.png  |  Bin 331 -> 444 bytes
 .../hbm/textures/blocks/deco_tungsten_alt.png |  Bin 0 -> 331 bytes
 .../hbm/textures/blocks/machine_assembler.png |  Bin 275 -> 292 bytes
 .../hbm/textures/blocks/machine_chemplant.png |  Bin 302 -> 435 bytes
 assets/hbm/textures/items/bobmazon.png        |  Bin 0 -> 344 bytes
 assets/hbm/textures/items/twinkie.png         |  Bin 0 -> 272 bytes
 assets/hbm/textures/models/CapeMaster.png     |  Bin 0 -> 861 bytes
 assets/hbm/textures/models/CapeMek.png        |  Bin 0 -> 19733 bytes
 .../textures/models/chemplant_spinner_new.png |  Bin 1008 -> 927 bytes
 com/hbm/items/ModItems.java                   |    3 +
 com/hbm/items/food/ItemLemon.java             |    4 +
 com/hbm/lib/HbmChestContents.java             |    2 +
 com/hbm/lib/Library.java                      |   19 +
 .../render/misc/RenderAccessoryUtility.java   |    8 +
 com/hbm/world/Barrel.java                     |  203 +-
 com/hbm/world/Bunker.java                     |  514 ++--
 com/hbm/world/DesertAtom001.java              |  366 +--
 com/hbm/world/DesertAtom002.java              | 1130 +++----
 com/hbm/world/DesertAtom003.java              |  652 ++--
 com/hbm/world/Radio01.java                    | 1653 +++++-----
 com/hbm/world/Relay.java                      |  140 +-
 com/hbm/world/Satellite.java                  | 1268 ++++----
 com/hbm/world/Silo.java                       | 2682 ++++++++---------
 38 files changed, 4343 insertions(+), 4303 deletions(-)
 create mode 100644 assets/hbm/textures/blocks/deco_aluminium_alt.png
 create mode 100644 assets/hbm/textures/blocks/deco_beryllium_alt.png
 rename assets/hbm/textures/blocks/{deco_blank.png => deco_blank_alt.png} (100%)
 create mode 100644 assets/hbm/textures/blocks/deco_lead_alt.png
 create mode 100644 assets/hbm/textures/blocks/deco_red_copper_alt.png
 create mode 100644 assets/hbm/textures/blocks/deco_steel_alt.png
 create mode 100644 assets/hbm/textures/blocks/deco_titanium_alt.png
 create mode 100644 assets/hbm/textures/blocks/deco_tungsten_alt.png
 create mode 100644 assets/hbm/textures/items/bobmazon.png
 create mode 100644 assets/hbm/textures/items/twinkie.png
 create mode 100644 assets/hbm/textures/models/CapeMaster.png
 create mode 100644 assets/hbm/textures/models/CapeMek.png

diff --git a/assets/hbm/lang/de_DE.lang b/assets/hbm/lang/de_DE.lang
index 69015c2bd..e30bf0307 100644
--- a/assets/hbm/lang/de_DE.lang
+++ b/assets/hbm/lang/de_DE.lang
@@ -1276,6 +1276,7 @@ item.definitelyfood.name=GarantiertKeinDreck-Marken Feldration
 item.loops.name=Lüüps
 item.loop_stew.name=Informatiker-Frühstück
 item.fooditem.name=lebensmittel
+item.twinkie.name=Twinkie
 
 tile.frozen_grass.name=Gefrorenes Gras
 tile.frozen_dirt.name=Gefrorene Erde
diff --git a/assets/hbm/lang/en_US.lang b/assets/hbm/lang/en_US.lang
index d35b0c109..14b4b4618 100644
--- a/assets/hbm/lang/en_US.lang
+++ b/assets/hbm/lang/en_US.lang
@@ -1276,6 +1276,7 @@ item.definitelyfood.name=TotallyNotDirt-Brand MRE
 item.loops.name=Lööps
 item.loop_stew.name=IT Breakfast
 item.fooditem.name=food item
+item.twinkie.name=Twinkie
 
 tile.frozen_grass.name=Frozen Grass
 tile.frozen_dirt.name=Frozen Dirt
diff --git a/assets/hbm/textures/blocks/deco_aluminium.png b/assets/hbm/textures/blocks/deco_aluminium.png
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diff --git a/assets/hbm/textures/blocks/deco_steel.png b/assets/hbm/textures/blocks/deco_steel.png
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diff --git a/assets/hbm/textures/blocks/deco_steel_alt.png b/assets/hbm/textures/blocks/deco_steel_alt.png
new file mode 100644
index 0000000000000000000000000000000000000000..937b4160378386025b11047b9a84ebd308d6576c
GIT binary patch
literal 332
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literal 0
HcmV?d00001

diff --git a/assets/hbm/textures/blocks/deco_titanium.png b/assets/hbm/textures/blocks/deco_titanium.png
index 2adcbba63d45d98f92a55b524b4b66475e2e01cc..464fb2fa821a0e8352f1d1a53d7c070c265be036 100644
GIT binary patch
delta 402
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delta 287
zcmV+)0pR|;1IhxBG=Bj}L_t(Ijdhd3nuQ<;g-?q4)noM3J!p#vX=c&jAh+AfgdYzF
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diff --git a/assets/hbm/textures/blocks/deco_titanium_alt.png b/assets/hbm/textures/blocks/deco_titanium_alt.png
new file mode 100644
index 0000000000000000000000000000000000000000..2adcbba63d45d98f92a55b524b4b66475e2e01cc
GIT binary patch
literal 330
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literal 0
HcmV?d00001

diff --git a/assets/hbm/textures/blocks/deco_tungsten.png b/assets/hbm/textures/blocks/deco_tungsten.png
index b99a7abb9754c739e4900c4dad1067ef5d9fa0dd..577222705c546714c571e58cd46c401bc91a7b88 100644
GIT binary patch
delta 402
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delta 288
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diff --git a/assets/hbm/textures/blocks/deco_tungsten_alt.png b/assets/hbm/textures/blocks/deco_tungsten_alt.png
new file mode 100644
index 0000000000000000000000000000000000000000..b99a7abb9754c739e4900c4dad1067ef5d9fa0dd
GIT binary patch
literal 331
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literal 0
HcmV?d00001

diff --git a/assets/hbm/textures/blocks/machine_assembler.png b/assets/hbm/textures/blocks/machine_assembler.png
index 5c7acf8f64402e3e3287d3f89f7790ed1e0e1891..88b4780dc8bf6adbb4728301201906d147ac3e37 100644
GIT binary patch
delta 248
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delta 231
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diff --git a/assets/hbm/textures/blocks/machine_chemplant.png b/assets/hbm/textures/blocks/machine_chemplant.png
index 4c1fe040d5a9ae73e13be8895ee4064fc122504c..dbdb435c01e05722e1569114c1894e68cd540d6a 100644
GIT binary patch
delta 394
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delta 259
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diff --git a/assets/hbm/textures/items/bobmazon.png b/assets/hbm/textures/items/bobmazon.png
new file mode 100644
index 0000000000000000000000000000000000000000..21f69a46e4173e1762a2a8c72f633113dbcf2990
GIT binary patch
literal 344
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literal 0
HcmV?d00001

diff --git a/assets/hbm/textures/items/twinkie.png b/assets/hbm/textures/items/twinkie.png
new file mode 100644
index 0000000000000000000000000000000000000000..79359c14210d77082392ab1f3219ea64ad0f9abd
GIT binary patch
literal 272
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literal 0
HcmV?d00001

diff --git a/assets/hbm/textures/models/CapeMaster.png b/assets/hbm/textures/models/CapeMaster.png
new file mode 100644
index 0000000000000000000000000000000000000000..24817c30b3e4b52f1fd72eedb7a89873db1232c2
GIT binary patch
literal 861
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literal 0
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diff --git a/assets/hbm/textures/models/CapeMek.png b/assets/hbm/textures/models/CapeMek.png
new file mode 100644
index 0000000000000000000000000000000000000000..e2cac92024f2a48dfdd0bf7b15298825b24df77a
GIT binary patch
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HcmV?d00001

diff --git a/assets/hbm/textures/models/chemplant_spinner_new.png b/assets/hbm/textures/models/chemplant_spinner_new.png
index deb656e329d635c68d34942fefd7aa93aeabe263..9efb9e5547d6eebd8ff5f7b794d7417ab7c6fcc1 100644
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diff --git a/com/hbm/items/ModItems.java b/com/hbm/items/ModItems.java
index feacef6a4..f89916bd3 100644
--- a/com/hbm/items/ModItems.java
+++ b/com/hbm/items/ModItems.java
@@ -1037,6 +1037,7 @@ public class ModItems {
 	public static Item loops;
 	public static Item loop_stew;
 	public static Item fooditem;
+	public static Item twinkie;
 
 	public static Item med_ipecac;
 	public static Item med_ptsd;
@@ -2513,6 +2514,7 @@ public class ModItems {
 		loops = new ItemLemon(4, 5, false).setUnlocalizedName("loops").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":loops");
 		loop_stew = new ItemLemon(10, 10, false).setUnlocalizedName("loop_stew").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":loop_stew");
 		fooditem = new ItemLemon(2, 5, false).setUnlocalizedName("fooditem").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":fooditem");
+		twinkie = new ItemLemon(3, 5, false).setUnlocalizedName("twinkie").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":twinkie");
 		canteen_13 = new ItemCanteen(1 * 60 * 20).setUnlocalizedName("canteen_13").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":canteen_13");
 		canteen_vodka = new ItemCanteen(3 * 60 * 20).setUnlocalizedName("canteen_vodka").setCreativeTab(MainRegistry.consumableTab).setTextureName(RefStrings.MODID + ":canteen_vodka");
 		
@@ -4321,6 +4323,7 @@ public class ModItems {
 		GameRegistry.registerItem(loops, loops.getUnlocalizedName());
 		GameRegistry.registerItem(loop_stew, loop_stew.getUnlocalizedName());
 		GameRegistry.registerItem(fooditem, fooditem.getUnlocalizedName());
+		GameRegistry.registerItem(twinkie, twinkie.getUnlocalizedName());
 		GameRegistry.registerItem(med_ipecac, med_ipecac.getUnlocalizedName());
 		GameRegistry.registerItem(med_ptsd, med_ptsd.getUnlocalizedName());
 		//GameRegistry.registerItem(med_schizophrenia, med_schizophrenia.getUnlocalizedName());
diff --git a/com/hbm/items/food/ItemLemon.java b/com/hbm/items/food/ItemLemon.java
index f369334df..aeeb6094d 100644
--- a/com/hbm/items/food/ItemLemon.java
+++ b/com/hbm/items/food/ItemLemon.java
@@ -65,6 +65,10 @@ public class ItemLemon extends ItemFood {
 		if(this == ModItems.loop_stew) {
 			list.add("A very, very healthy breakfast.");
 		}
+		
+		if(this == ModItems.twinkie) {
+			list.add("Expired 600 years ago!");
+		}
 	}
 
 
diff --git a/com/hbm/lib/HbmChestContents.java b/com/hbm/lib/HbmChestContents.java
index f6f85f3d0..78e87fb62 100644
--- a/com/hbm/lib/HbmChestContents.java
+++ b/com/hbm/lib/HbmChestContents.java
@@ -16,6 +16,7 @@ public class HbmChestContents {
 
 	private static WeightedRandomChestContent[] modGeneric = new WeightedRandomChestContent[] {
 			new WeightedRandomChestContent(Items.bread, 0, 1, 5, 8),
+			new WeightedRandomChestContent(ModItems.twinkie, 0, 1, 3, 6),
 			new WeightedRandomChestContent(Items.iron_ingot, 0, 2, 6, 10),
 			new WeightedRandomChestContent(ModItems.ingot_steel, 0, 2, 5, 7),
 			new WeightedRandomChestContent(ModItems.ingot_beryllium, 0, 1, 2, 4),
@@ -42,6 +43,7 @@ public class HbmChestContents {
 			new WeightedRandomChestContent(ModItems.gas_mask_filter, 0, 1, 1, 3)  };
 
 	private static WeightedRandomChestContent[] antenna = new WeightedRandomChestContent[] {
+			new WeightedRandomChestContent(ModItems.twinkie, 0, 1, 3, 4),
 			new WeightedRandomChestContent(ModItems.ingot_steel, 0, 1, 2, 7),
 			new WeightedRandomChestContent(ModItems.ingot_red_copper, 0, 1, 1, 4),
 			new WeightedRandomChestContent(ModItems.ingot_titanium, 0, 1, 3, 5),
diff --git a/com/hbm/lib/Library.java b/com/hbm/lib/Library.java
index 82df0d53d..9ea0dada8 100644
--- a/com/hbm/lib/Library.java
+++ b/com/hbm/lib/Library.java
@@ -2,6 +2,8 @@ package com.hbm.lib;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;
+
 import com.hbm.blocks.ModBlocks;
 import com.hbm.calc.UnionOfTileEntitiesAndBooleans;
 import com.hbm.calc.UnionOfTileEntitiesAndBooleansForFluids;
@@ -55,6 +57,8 @@ import net.minecraft.util.Vec3;
 import net.minecraft.world.World;
 
 public class Library {
+	
+	static Random rand = new Random();
 
 	public static List<String> book1 = new ArrayList<String>();
 	public static List<String> book2 = new ArrayList<String>();
@@ -72,6 +76,8 @@ public class Library {
 	public static String Dr_Nostalgia = "e82684a7-30f1-44d2-ab37-41b342be1bbd";
 	public static String Samino2 = "87c3960a-4332-46a0-a929-ef2a488d1cda";
 	public static String Hoboy03new = "d7f29d9c-5103-4f6f-88e1-2632ff95973f";
+	public static String Dragon59MC = "dc23a304-0f84-4e2d-b47d-84c8d3bfbcdb";
+	public static String Steelcourage = "ac49720b-4a9a-4459-a26f-bee92160287a";
 	
 	public static List<String> superuser = new ArrayList<String>();
 	
@@ -1322,4 +1328,17 @@ public class Library {
 		}
 		return -1;
 	}
+	
+	public static Block getRandomConcrete() {
+		int i = rand.nextInt(100);
+
+		if(i < 5)
+			return ModBlocks.brick_concrete_broken;
+		if(i < 20)
+			return ModBlocks.brick_concrete_cracked;
+		if(i < 50)
+			return ModBlocks.brick_concrete_mossy;
+		
+		return ModBlocks.brick_concrete;
+	}
 }
diff --git a/com/hbm/render/misc/RenderAccessoryUtility.java b/com/hbm/render/misc/RenderAccessoryUtility.java
index 8e6e2c48b..dbb57a9a1 100644
--- a/com/hbm/render/misc/RenderAccessoryUtility.java
+++ b/com/hbm/render/misc/RenderAccessoryUtility.java
@@ -20,6 +20,8 @@ public class RenderAccessoryUtility {
 	private static ResourceLocation nostalgia = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeNostalgia.png");
 	private static ResourceLocation sam = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeSam.png");
 	private static ResourceLocation hoboy = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeHoboy.png");
+	private static ResourceLocation master = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeMaster.png");
+	private static ResourceLocation mek = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeMek.png");
 	private static ResourceLocation test = new ResourceLocation(RefStrings.MODID + ":textures/models/CapeTest.png");
 	
 	public static ResourceLocation getCloakFromPlayer(EntityPlayer player) {
@@ -58,6 +60,12 @@ public class RenderAccessoryUtility {
 		if(uuid.equals(Library.Hoboy03new)) {
 			return hoboy;
 		}
+		if(uuid.equals(Library.Dragon59MC)) {
+			return master;
+		}
+		if(uuid.equals(Library.Steelcourage)) {
+			return mek;
+		}
 		if(name.startsWith("Player")) {
 			return test;
 		}
diff --git a/com/hbm/world/Barrel.java b/com/hbm/world/Barrel.java
index b95ce300c..806d9d315 100644
--- a/com/hbm/world/Barrel.java
+++ b/com/hbm/world/Barrel.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 import com.hbm.tileentity.bomb.TileEntitySellafield;
 import com.hbm.tileentity.machine.TileEntityCrateSteel;
@@ -111,14 +112,14 @@ public class Barrel extends WorldGenerator {
 		world.setBlock(x + 2, y + -1, z + 6, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 6, Block1, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 0, Block3, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 1, Block3, 0, 3);
+		world.setBlock(x + 0, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 1, Block4, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 1, Block5, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 1, Block4, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 2, Block3, 0, 3);
+		world.setBlock(x + 4, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 2, Block5, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 2, Block6, 0, 3);
 		
@@ -134,17 +135,17 @@ public class Barrel extends WorldGenerator {
 		world.setBlock(x + 3, y + 0, z + 3, Block5, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 3, Block2, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 4, Block3, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 1, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 1, Block7, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 1, Block4, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 1, Block4, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 2, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 2, Block4, 0, 3);
 		
 		/*world.setBlock(x + 2, y + 1, z + 2, Blocks.chest, 3, 3);
@@ -162,99 +163,99 @@ public class Barrel extends WorldGenerator {
 		}
 		
 		world.setBlock(x + 3, y + 1, z + 2, Block4, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 2, Block3, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 3, Block3, 0, 3);
+		world.setBlock(x + 4, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 3, Block4, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 3, Block7, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 3, Block4, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 3, Block2, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 0, Block3, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 0, Block3, 0, 3);
+		world.setBlock(x + 3, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 1, Block2, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 1, Block8, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 1, Block7, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 1, Block7, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 2, Block3, 0, 3);
+		world.setBlock(x + 4, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 2, Block7, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 2, Block5, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 2, Block7, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 2, Block3, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 3, Block3, 0, 3);
+		world.setBlock(x + 4, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 3, Block7, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 3, Block8, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 3, Block7, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 3, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 1, Block3, 0, 3);
+		world.setBlock(x + 4, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 1, Block8, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 1, Block8, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 1, Block8, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 2, Block3, 0, 3);
+		world.setBlock(x + 0, y + 3, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 2, Block8, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 2, Block4, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 2, Block8, 0, 3);
-		world.setBlock(x + 4, y + 3, z + 2, Block3, 0, 3);
+		world.setBlock(x + 4, y + 3, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 3, Block2, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 3, Block8, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 3, Block9, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 3, Block8, 0, 3);
-		world.setBlock(x + 4, y + 3, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 3, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 4, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 1, Block3, 0, 3);
+		world.setBlock(x + 4, y + 3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 1, Block9, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 1, Block8, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 1, Block9, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 2, Block3, 0, 3);
+		world.setBlock(x + 4, y + 4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 2, Block9, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 2, Block7, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 2, Block8, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 3, Block3, 0, 3);
+		world.setBlock(x + 0, y + 4, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 3, Block8, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 3, Block9, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 3, Block9, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + 4, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 4, Block3, 0, 3);
+		world.setBlock(x + 1, y + 4, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 4, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 4, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + 5, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 5, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 1, Block3, 0, 3);
+		world.setBlock(x + 1, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 1, Block9, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 1, Block9, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 1, Block9, 0, 3);
 		world.setBlock(x + 4, y + 5, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 2, Block3, 0, 3);
+		world.setBlock(x + 0, y + 5, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 2, Block12, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 2, Block8, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 2, Block12, 0, 3);
 		world.setBlock(x + 4, y + 5, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 3, Block3, 0, 3);
+		world.setBlock(x + 0, y + 5, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 3, Block9, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 3, Block9, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 3, Block12, 0, 3);
 		world.setBlock(x + 4, y + 5, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + 5, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 5, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 4, Block3, 0, 3);
+		world.setBlock(x + 1, y + 5, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 5, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 5, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 0, Block10, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 0, Block10, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 0, Block10, 0, 3);
@@ -276,27 +277,27 @@ public class Barrel extends WorldGenerator {
 		world.setBlock(x + 1, y + 6, z + 4, Block10, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 4, Block10, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 4, Block10, 0, 3);
-		world.setBlock(x + 1, y + 7, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 7, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 7, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 1, Block3, 0, 3);
+		world.setBlock(x + 1, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 1, Block12, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 1, Block12, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 1, Block12, 0, 3);
 		world.setBlock(x + 4, y + 7, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 2, Block3, 0, 3);
+		world.setBlock(x + 0, y + 7, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 2, Block12, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 2, Block12, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 2, Block12, 0, 3);
 		world.setBlock(x + 4, y + 7, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 3, Block3, 0, 3);
+		world.setBlock(x + 0, y + 7, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 3, Block12, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 3, Block12, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 3, Block12, 0, 3);
-		world.setBlock(x + 4, y + 7, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 7, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 7, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 7, z + 4, Block3, 0, 3);
+		world.setBlock(x + 4, y + 7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 7, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 7, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 7, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 0, Block10, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 0, Block10, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 0, Block10, 0, 3);
@@ -318,54 +319,54 @@ public class Barrel extends WorldGenerator {
 		world.setBlock(x + 1, y + 8, z + 4, Block10, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 4, Block10, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 4, Block10, 0, 3);
-		world.setBlock(x + 1, y + 9, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 9, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 9, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 9, z + 1, Block3, 0, 3);
-		world.setBlock(x + 4, y + 9, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 9, z + 2, Block3, 0, 3);
-		world.setBlock(x + 4, y + 9, z + 2, Block3, 0, 3);
-		world.setBlock(x + 0, y + 9, z + 3, Block3, 0, 3);
-		world.setBlock(x + 4, y + 9, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 9, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 9, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 9, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 10, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 10, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 10, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 10, z + 1, Block3, 0, 3);
-		world.setBlock(x + 4, y + 10, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 10, z + 2, Block3, 0, 3);
-		world.setBlock(x + 4, y + 10, z + 2, Block3, 0, 3);
-		world.setBlock(x + 0, y + 10, z + 3, Block3, 0, 3);
-		world.setBlock(x + 4, y + 10, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 10, z + 4, Block3, 0, 3);
+		world.setBlock(x + 1, y + 9, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 9, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 9, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 9, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 9, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 9, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 9, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 9, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 10, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 10, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 10, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 10, z + 4, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 2, y + 10, z + 4, Blocks.iron_door, 2, 3);
-		world.setBlock(x + 3, y + 10, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 11, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 11, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 11, z + 0, Block3, 0, 3);
+		world.setBlock(x + 3, y + 10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 11, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 11, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 11, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 11, z + 1, Block11, 0, 3);
 		world.setBlock(x + 0, y + 11, z + 2, Block11, 0, 3);
 		world.setBlock(x + 4, y + 11, z + 2, Block11, 0, 3);
 		world.setBlock(x + 0, y + 11, z + 3, Block11, 0, 3);
 		world.setBlock(x + 4, y + 11, z + 3, Block11, 0, 3);
-		world.setBlock(x + 1, y + 11, z + 4, Block3, 0, 3);
+		world.setBlock(x + 1, y + 11, z + 4, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 2, y + 11, z + 4, Blocks.iron_door, 8, 3);
         ItemDoor.placeDoorBlock(world, x + 2, y + 10, z + 4, 2, Blocks.iron_door);
-		world.setBlock(x + 3, y + 11, z + 4, Block3, 0, 3);
-		world.setBlock(x + 1, y + 12, z + 0, Block3, 0, 3);
-		world.setBlock(x + 2, y + 12, z + 0, Block3, 0, 3);
-		world.setBlock(x + 3, y + 12, z + 0, Block3, 0, 3);
-		world.setBlock(x + 0, y + 12, z + 1, Block3, 0, 3);
-		world.setBlock(x + 4, y + 12, z + 1, Block3, 0, 3);
-		world.setBlock(x + 0, y + 12, z + 2, Block3, 0, 3);
-		world.setBlock(x + 4, y + 12, z + 2, Block3, 0, 3);
-		world.setBlock(x + 0, y + 12, z + 3, Block3, 0, 3);
-		world.setBlock(x + 4, y + 12, z + 3, Block3, 0, 3);
-		world.setBlock(x + 1, y + 12, z + 4, Block3, 0, 3);
-		world.setBlock(x + 2, y + 12, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + 12, z + 4, Block3, 0, 3);
+		world.setBlock(x + 3, y + 11, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 12, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 12, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 12, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 12, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 13, z + 0, Block1, 0, 3);
 		world.setBlock(x + 2, y + 13, z + 0, Block1, 0, 3);
 		world.setBlock(x + 3, y + 13, z + 0, Block1, 0, 3);
diff --git a/com/hbm/world/Bunker.java b/com/hbm/world/Bunker.java
index 53cf9970f..a9d03d276 100644
--- a/com/hbm/world/Bunker.java
+++ b/com/hbm/world/Bunker.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 
 import net.minecraft.block.Block;
@@ -20,7 +21,6 @@ import net.minecraft.world.gen.feature.WorldGenerator;
 public class Bunker extends WorldGenerator
 {
 	Block Block1 = ModBlocks.reinforced_brick;
-	Block Block2 = ModBlocks.brick_concrete;
 	Block Block3 = ModBlocks.reinforced_light;
 	Block Block4 = ModBlocks.deco_steel;
 	Block Block5 = ModBlocks.deco_tungsten;
@@ -292,7 +292,7 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -24, z + 0, Block1, 0, 3);
 		world.setBlock(x + 11, y + -24, z + 0, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 1, Block1, 0, 3);
-		world.setBlock(x + 1, y + -24, z + 1, Block2, 0, 3);
+		world.setBlock(x + 1, y + -24, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + -24, z + 1, Blocks.chest, 3, 3);
 		world.setBlockMetadataWithNotify(x + 2, y + -24, z + 1, 3, 3);
 		if(world.getBlock(x + 2, y + -24, z + 1) == Blocks.chest)
@@ -300,7 +300,7 @@ public class Bunker extends WorldGenerator
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(3), (TileEntityChest)world.getTileEntity(x + 2, y + -24, z + 1), rand.nextInt(2)+ 6);
 		}
 		world.setBlock(x + 2, y + -23, z + 1, ModBlocks.geiger, 2, 3);
-        world.setBlock(x + 3, y + -24, z + 1, Block2, 0, 3);
+        world.setBlock(x + 3, y + -24, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -24, z + 1, Block1, 0, 3);
 		world.setBlock(x + 11, y + -24, z + 1, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 2, Block1, 0, 3);
@@ -339,8 +339,8 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -24, z + 3, Block1, 0, 3);
 		world.setBlock(x + 11, y + -24, z + 3, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 4, Block1, 0, 3);
-		world.setBlock(x + 1, y + -24, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + -24, z + 4, Block2, 0, 3);
+		world.setBlock(x + 1, y + -24, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -24, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -24, z + 4, Block1, 0, 3);
 		world.setBlock(x + 7, y + -24, z + 4, Block1, 0, 3);
 		world.setBlock(x + 10, y + -24, z + 4, Blocks.cauldron, 0, 3);
@@ -352,7 +352,7 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 3, y + -24, z + 5, Block1, 0, 3);
 		world.setBlock(x + 4, y + -24, z + 5, Block1, 0, 3);
 		world.setBlock(x + 7, y + -24, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -24, z + 5, Block2, 0, 3);
+		world.setBlock(x + 10, y + -24, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 11, y + -24, z + 5, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 6, Block1, 0, 3);
 		world.setBlock(x + 7, y + -24, z + 6, Block1, 0, 3);
@@ -360,7 +360,7 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 11, y + -24, z + 6, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 7, Block1, 0, 3);
 		world.setBlock(x + 7, y + -24, z + 7, Block1, 0, 3);
-		world.setBlock(x + 10, y + -24, z + 7, Block2, 0, 3);
+		world.setBlock(x + 10, y + -24, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 11, y + -24, z + 7, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 8, Block1, 0, 3);
 		world.setBlock(x + 3, y + -24, z + 8, Block1, 0, 3);
@@ -374,7 +374,7 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 3, y + -24, z + 9, Block1, 0, 3);
 		world.setBlock(x + 7, y + -24, z + 9, Blocks.iron_door, 1, 3);
         ItemDoor.placeDoorBlock(world, x + 7, y + -24, z + 9, 1, Blocks.iron_door);
-		world.setBlock(x + 10, y + -24, z + 9, Block2, 0, 3);
+		world.setBlock(x + 10, y + -24, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 11, y + -24, z + 9, Block1, 0, 3);
 		world.setBlock(x + 0, y + -24, z + 10, Block1, 0, 3);
 		world.setBlock(x + 3, y + -24, z + 10, Block1, 0, 3);
@@ -422,8 +422,8 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -23, z + 0, Block1, 0, 3);
 		world.setBlock(x + 11, y + -23, z + 0, Block1, 0, 3);
 		world.setBlock(x + 0, y + -23, z + 1, Block1, 0, 3);
-		world.setBlock(x + 1, y + -23, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -23, z + 1, Block2, 0, 3);
+		world.setBlock(x + 1, y + -23, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -23, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -23, z + 1, Block1, 0, 3);
 		world.setBlock(x + 5, y + -23, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + -23, z + 1, Blocks.web, 0, 3);
@@ -439,8 +439,8 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -23, z + 3, Block1, 0, 3);
 		world.setBlock(x + 11, y + -23, z + 3, Block1, 0, 3);
 		world.setBlock(x + 0, y + -23, z + 4, Block1, 0, 3);
-		world.setBlock(x + 1, y + -23, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + -23, z + 4, Block2, 0, 3);
+		world.setBlock(x + 1, y + -23, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -23, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -23, z + 4, Block1, 0, 3);
 		world.setBlock(x + 7, y + -23, z + 4, Block1, 0, 3);
 		world.setBlock(x + 11, y + -23, z + 4, Block1, 0, 3);
@@ -515,9 +515,9 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -22, z + 0, Block1, 0, 3);
 		world.setBlock(x + 11, y + -22, z + 0, Block1, 0, 3);
 		world.setBlock(x + 0, y + -22, z + 1, Block1, 0, 3);
-		world.setBlock(x + 1, y + -22, z + 1, Block2, 0, 3);
+		world.setBlock(x + 1, y + -22, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + -22, z + 1, Block3, 0, 3);
-		world.setBlock(x + 3, y + -22, z + 1, Block2, 0, 3);
+		world.setBlock(x + 3, y + -22, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -22, z + 1, Block1, 0, 3);
 		world.setBlock(x + 5, y + -22, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + -22, z + 1, Blocks.web, 0, 3);
@@ -536,9 +536,9 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 10, y + -22, z + 3, Block1, 0, 3);
 		world.setBlock(x + 11, y + -22, z + 3, Block1, 0, 3);
 		world.setBlock(x + 0, y + -22, z + 4, Block1, 0, 3);
-		world.setBlock(x + 1, y + -22, z + 4, Block2, 0, 3);
+		world.setBlock(x + 1, y + -22, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + -22, z + 4, Block3, 0, 3);
-		world.setBlock(x + 3, y + -22, z + 4, Block2, 0, 3);
+		world.setBlock(x + 3, y + -22, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + -22, z + 4, Block1, 0, 3);
 		world.setBlock(x + 7, y + -22, z + 4, Block1, 0, 3);
 		world.setBlock(x + 8, y + -22, z + 4, Blocks.web, 0, 3);
@@ -1278,251 +1278,251 @@ public class Bunker extends WorldGenerator
 		world.setBlock(x + 9, y + -17, z + 14, Block1, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 14, Block1, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 1, y + -16, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -16, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -16, z + 1, Block2, 0, 3);
+		world.setBlock(x + 1, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -16, z + 2, Block3, 0, 3);
-		world.setBlock(x + 3, y + -16, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -16, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -16, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -16, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -15, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -15, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -15, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -15, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -15, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -15, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -15, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -15, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -14, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -14, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -14, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -14, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -14, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -14, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -14, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -14, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -13, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -13, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -13, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -13, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -13, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -13, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -13, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -13, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -12, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -12, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -12, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -12, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -12, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -12, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -12, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -12, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -11, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -11, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -11, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -11, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -11, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -11, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -11, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -11, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -10, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -10, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -10, z + 1, Block2, 0, 3);
+		world.setBlock(x + 3, y + -16, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -16, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -16, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -16, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -15, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -15, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -15, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -15, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -15, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -10, z + 2, Block3, 0, 3);
-		world.setBlock(x + 3, y + -10, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -10, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -10, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -10, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -9, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -9, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -9, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -9, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -9, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -9, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -9, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -9, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -8, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -8, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -8, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -8, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -8, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -8, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -8, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -8, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -7, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -7, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -7, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -7, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -7, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -7, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -7, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -7, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -6, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -6, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -6, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -6, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -6, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -6, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -6, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -6, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -5, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -5, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -5, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -5, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -5, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -5, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -5, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -5, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -4, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -4, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -4, z + 1, Block2, 0, 3);
+		world.setBlock(x + 3, y + -10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -9, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -9, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -8, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -8, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -8, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -8, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -8, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -7, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -7, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -5, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -5, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -4, z + 2, Block3, 0, 3);
-		world.setBlock(x + 3, y + -4, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -4, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -4, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -4, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + -3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + -3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + -3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + -3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + -3, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + -3, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + -3, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + -3, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -3, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + -3, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + -3, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + -3, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + -3, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -3, z + 5, Block2, 0, 3);
-		world.setBlock(x + 2, y + -3, z + 5, Block2, 0, 3);
-		world.setBlock(x + 3, y + -3, z + 5, Block2, 0, 3);
-		world.setBlock(x + 0, y + -2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + -2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + -2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + -2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + -2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + -2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + -2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 2, y + -2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 3, y + -2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 5, Block2, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 5, Block2, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 5, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 2, Block2, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 5, Block2, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 5, Block2, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 5, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 4, Block2, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 0, Block2, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 1, Block2, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 2, Block2, 0, 3);
+		world.setBlock(x + 3, y + -4, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -3, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -3, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -3, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 2, z + 2, Block3, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 2, Block2, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 3, Block2, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 4, Block2, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 5, Block2, 0, 3);
-		world.setBlock(x + 1, y + 3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 0, Block2, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 0, Block2, 0, 3);
+		world.setBlock(x + 3, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 3, z + 1, Blocks.trapdoor, 1, 3);
 
 		generate_r02_last(world, rand, x, y, z);
diff --git a/com/hbm/world/DesertAtom001.java b/com/hbm/world/DesertAtom001.java
index ebb670a13..a4ac76069 100644
--- a/com/hbm/world/DesertAtom001.java
+++ b/com/hbm/world/DesertAtom001.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 
 import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
@@ -17,7 +18,6 @@ import net.minecraft.world.gen.feature.WorldGenerator;
 
 public class DesertAtom001 extends WorldGenerator
 {
-	Block Block1 = ModBlocks.brick_concrete;
 	Block Block2 = ModBlocks.yellow_barrel;
 	Block Block3 = ModBlocks.reinforced_sand;
 	Block Block4 = ModBlocks.nuke_man;
@@ -111,104 +111,104 @@ public class DesertAtom001 extends WorldGenerator
 			return false;
 		}
 
-		world.setBlock(x + 6, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 15, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 15, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 16, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 17, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 17, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 19, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 20, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 20, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 20, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 21, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 21, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 21, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 9, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 10, Block1, 0, 3);
+		world.setBlock(x + 6, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -4, z + 10, Block2, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 10, Block2, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 10, Block2, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 11, Block1, 0, 3);
+		world.setBlock(x + 10, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 11, Block2, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 11, Block2, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 11, Block2, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 12, Block1, 0, 3);
+		world.setBlock(x + 11, y + -4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 12, Block2, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 12, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 13, Block1, 0, 3);
+		world.setBlock(x + 11, y + -4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 13, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 14, Block1, 0, 3);
+		world.setBlock(x + 11, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -4, z + 14, Block2, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 14, Blocks.chest, 2, 3);
@@ -216,25 +216,25 @@ public class DesertAtom001 extends WorldGenerator
 		{
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(5), (TileEntityChest)world.getTileEntity(x + 9, y + -4, z + 14), 10);
 		}
-        world.setBlock(x + 10, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 15, Block1, 0, 3);
+        world.setBlock(x + 10, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 15, Blocks.water, 8, 3);
-		world.setBlock(x + 9, y + -4, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 16, Block1, 0, 3);
+		world.setBlock(x + 9, y + -4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 16, Blocks.water, 8, 3);
-		world.setBlock(x + 9, y + -4, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 17, Block1, 0, 3);
+		world.setBlock(x + 9, y + -4, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 17, Blocks.water, 8, 3);
-		world.setBlock(x + 9, y + -4, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 18, Block1, 0, 3);
+		world.setBlock(x + 9, y + -4, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 18, Blocks.water, 8, 3);
-		world.setBlock(x + 9, y + -4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 19, Block1, 0, 3);
+		world.setBlock(x + 9, y + -4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 19, Blocks.water, 8, 3);
-		world.setBlock(x + 9, y + -4, z + 19, Block1, 0, 3);
+		world.setBlock(x + 9, y + -4, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 20, Block3, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 20, Block3, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 20, Blocks.water, 0, 3);
@@ -336,63 +336,63 @@ public class DesertAtom001 extends WorldGenerator
 		world.setBlock(x + 8, y + -4, z + 30, Block3, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 30, Block3, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 30, Block3, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 10, Block1, 0, 3);
+		world.setBlock(x + 6, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -3, z + 10, Block2, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 10, Blocks.water, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 11, Block1, 0, 3);
+		world.setBlock(x + 10, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 11, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 12, Block1, 0, 3);
+		world.setBlock(x + 11, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 12, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 13, Block1, 0, 3);
+		world.setBlock(x + 11, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 13, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 14, Block1, 0, 3);
+		world.setBlock(x + 11, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -3, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 14, Blocks.water, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 15, Block1, 0, 3);
+		world.setBlock(x + 10, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 15, Blocks.water, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 16, Block1, 0, 3);
+		world.setBlock(x + 9, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 16, Blocks.water, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 17, Block1, 0, 3);
+		world.setBlock(x + 9, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 17, Blocks.water, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 18, Block1, 0, 3);
+		world.setBlock(x + 9, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 18, Blocks.water, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 19, Block1, 0, 3);
+		world.setBlock(x + 9, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 19, Blocks.water, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 19, Block1, 0, 3);
+		world.setBlock(x + 9, y + -3, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 20, Block3, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 20, Block3, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 20, Blocks.water, 0, 3);
@@ -621,128 +621,128 @@ public class DesertAtom001 extends WorldGenerator
 		world.setBlock(x + 39, y + -2, z + 7, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 7, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 8, Block3, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 8, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 8, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 8, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 8, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 8, Block1, 0, 3);
+		world.setBlock(x + 6, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 8, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 8, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 8, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 9, Block3, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 9, Block1, 0, 3);
+		world.setBlock(x + 5, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 9, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 9, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 9, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 10, Block3, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 10, Block1, 0, 3);
+		world.setBlock(x + 4, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 10, Blocks.water, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 10, Block1, 0, 3);
+		world.setBlock(x + 10, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 10, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 10, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 10, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 11, Block3, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 11, Block1, 0, 3);
+		world.setBlock(x + 4, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 11, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 11, Block1, 0, 3);
+		world.setBlock(x + 11, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 11, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 11, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 11, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 12, Block3, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 4, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 12, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 11, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 12, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 12, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 12, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 13, Block3, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 4, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 13, Blocks.water, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 11, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 13, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 13, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 13, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 14, Block3, 0, 3);
-		world.setBlock(x + 4, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 4, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 14, Blocks.water, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 10, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 14, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 14, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 14, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 15, Block3, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 15, Block1, 0, 3);
+		world.setBlock(x + 5, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 15, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 15, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 15, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 16, Block3, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 16, Block1, 0, 3);
+		world.setBlock(x + 6, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 16, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 16, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 16, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 17, Block3, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 7, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 17, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 17, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 17, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 18, Block3, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 18, Block1, 0, 3);
+		world.setBlock(x + 7, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 18, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 18, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 18, Block3, 0, 3);
 		world.setBlock(x + 0, y + -2, z + 19, Block3, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 19, Block1, 0, 3);
+		world.setBlock(x + 7, y + -2, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -2, z + 19, Block3, 0, 3);
 		world.setBlock(x + 39, y + -2, z + 19, Block3, 0, 3);
 		world.setBlock(x + 40, y + -2, z + 19, Block3, 0, 3);
diff --git a/com/hbm/world/DesertAtom002.java b/com/hbm/world/DesertAtom002.java
index 965592756..408e894cd 100644
--- a/com/hbm/world/DesertAtom002.java
+++ b/com/hbm/world/DesertAtom002.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.tileentity.machine.TileEntityCrateSteel;
 
 import net.minecraft.block.Block;
@@ -17,7 +18,6 @@ import net.minecraft.world.World;
 
 public class DesertAtom002
 {
-	Block Block1 = ModBlocks.brick_concrete;
 	Block Block2 = ModBlocks.yellow_barrel;
 	Block Block3 = ModBlocks.reinforced_sand;
 	Block Block4 = ModBlocks.nuke_man;
@@ -174,28 +174,28 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + -1, z + 6, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 6, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 6, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 6, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 6, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 6, Blocks.gravel, 0, 3);
@@ -207,7 +207,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + -1, z + 7, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 7, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 7, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 7, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 7, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 7, Block6, 0, 3);
@@ -228,7 +228,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 7, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 7, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 7, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 7, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 7, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 7, Blocks.gravel, 0, 3);
@@ -240,7 +240,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + -1, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 8, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 8, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 8, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 8, Block6, 0, 3);
@@ -261,7 +261,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 8, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 8, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 8, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 8, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 8, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 8, Blocks.gravel, 0, 3);
@@ -273,7 +273,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + -1, z + 9, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 9, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 9, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 9, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 9, Block6, 0, 3);
@@ -294,7 +294,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 9, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 9, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 9, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 9, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 9, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 9, Blocks.gravel, 0, 3);
@@ -308,7 +308,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 10, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 10, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 10, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 10, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 10, Block6, 0, 3);
@@ -329,7 +329,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 10, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 10, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 10, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 10, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 10, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 10, Block3, 0, 3);
@@ -343,7 +343,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 11, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 11, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 11, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 11, Block6, 0, 3);
@@ -364,7 +364,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 11, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 11, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 11, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 11, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 11, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 11, Block3, 0, 3);
@@ -378,7 +378,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 12, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 12, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 12, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 12, Block6, 0, 3);
@@ -399,7 +399,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 12, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 12, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 12, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 12, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 12, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 12, Block3, 0, 3);
@@ -413,7 +413,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 13, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 13, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 13, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 13, Block6, 0, 3);
@@ -434,7 +434,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 13, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 13, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 13, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 13, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 13, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 13, Block3, 0, 3);
@@ -448,7 +448,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 14, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 14, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 14, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 14, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 14, Block6, 0, 3);
@@ -469,7 +469,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 14, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 14, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 14, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 14, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 14, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 14, Block3, 0, 3);
@@ -481,7 +481,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + -1, z + 15, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 15, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 15, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 15, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 15, Block6, 0, 3);
@@ -502,7 +502,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 15, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 15, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 15, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 15, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 15, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 15, Block3, 0, 3);
@@ -512,7 +512,7 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + -1, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 16, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 16, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 16, Block6, 0, 3);
@@ -533,12 +533,12 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 16, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 16, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 16, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 16, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 16, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 16, Block3, 0, 3);
 		world.setBlock(x + 0, y + -1, z + 17, Block3, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + -1, z + 17, Block6, 0, 3);
 		world.setBlock(x + 18, y + -1, z + 17, Block6, 0, 3);
 		world.setBlock(x + 19, y + -1, z + 17, Block6, 0, 3);
@@ -559,33 +559,33 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + -1, z + 17, Block6, 0, 3);
 		world.setBlock(x + 35, y + -1, z + 17, Block6, 0, 3);
 		world.setBlock(x + 36, y + -1, z + 17, Block6, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 37, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 17, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 17, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 17, Block3, 0, 3);
 		world.setBlock(x + 0, y + -1, z + 18, Block3, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 18, Block3, 0, 3);
@@ -612,28 +612,28 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 21, Block5, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 21, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 21, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 21, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 21, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 21, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 21, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 21, Block3, 0, 3);
@@ -647,28 +647,28 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 22, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 22, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 22, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 22, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 22, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 22, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 22, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 22, Block3, 0, 3);
@@ -684,28 +684,28 @@ public class DesertAtom002
 		world.setBlock(x + 11, y + -1, z + 23, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 23, Block5, 0, 3);
 		world.setBlock(x + 13, y + -1, z + 23, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 23, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 23, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 23, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 23, Block3, 0, 3);
@@ -721,28 +721,28 @@ public class DesertAtom002
 		world.setBlock(x + 11, y + -1, z + 24, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 24, Block5, 0, 3);
 		world.setBlock(x + 13, y + -1, z + 24, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 24, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 24, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 24, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 24, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 24, Block3, 0, 3);
@@ -758,28 +758,28 @@ public class DesertAtom002
 		world.setBlock(x + 11, y + -1, z + 25, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 25, Block5, 0, 3);
 		world.setBlock(x + 13, y + -1, z + 25, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 25, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 25, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 25, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 25, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 25, Block3, 0, 3);
@@ -795,28 +795,28 @@ public class DesertAtom002
 		world.setBlock(x + 11, y + -1, z + 26, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 26, Block5, 0, 3);
 		world.setBlock(x + 13, y + -1, z + 26, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 26, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 26, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 26, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 26, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 26, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 26, Block3, 0, 3);
@@ -832,28 +832,28 @@ public class DesertAtom002
 		world.setBlock(x + 11, y + -1, z + 27, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 27, Block5, 0, 3);
 		world.setBlock(x + 13, y + -1, z + 27, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 27, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 27, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 27, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 27, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 27, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 27, Block3, 0, 3);
@@ -867,28 +867,28 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + -1, z + 28, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 28, Block5, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 28, Block5, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 23, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 24, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 25, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 26, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 27, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 28, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 29, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 30, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 31, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 32, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 33, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 34, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 35, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 36, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 37, y + -1, z + 28, Block1, 0, 3);
+		world.setBlock(x + 16, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 38, y + -1, z + 28, Blocks.gravel, 0, 3);
 		world.setBlock(x + 39, y + -1, z + 28, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + -1, z + 28, Block3, 0, 3);
@@ -1012,28 +1012,28 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 0, z + 6, Block5, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 6, Block5, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 6, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 6, Block5, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 7, Block5, 0, 3);
@@ -1041,7 +1041,7 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 0, z + 7, Block5, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 7, Block5, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 7, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 0, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 18, y + 0, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 19, y + 0, z + 7, Blocks.vine, 4, 3);
@@ -1052,7 +1052,7 @@ public class DesertAtom002
 		world.setBlock(x + 31, y + 0, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 32, y + 0, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 0, z + 7, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 7, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 8, Block5, 0, 3);
@@ -1060,7 +1060,7 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 0, z + 8, Block5, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 0, z + 8, Blocks.web, 0, 3);
 		//world.setBlock(x + 37, y + 0, z + 8, Blocks.iron_door, 2, 3);
         ItemDoor.placeDoorBlock(world, x + 37, y + 0, z + 8, 2, Blocks.iron_door);
@@ -1073,7 +1073,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 0, z + 9, Block2, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 9, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 27, y + 0, z + 9, Blocks.web, 0, 3);
 		//world.setBlock(x + 37, y + 0, z + 9, Blocks.iron_door, 2, 3);
         ItemDoor.placeDoorBlock(world, x + 37, y + 0, z + 9, 2, Blocks.iron_door);
@@ -1088,7 +1088,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 0, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 0, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 0, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 23, y + 0, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 24, y + 0, z + 10, Blocks.vine, 1, 3);
@@ -1097,7 +1097,7 @@ public class DesertAtom002
 		world.setBlock(x + 29, y + 0, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 31, y + 0, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 35, y + 0, z + 10, Blocks.vine, 1, 3);
-		world.setBlock(x + 37, y + 0, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 10, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 11, Block5, 0, 3);
@@ -1109,29 +1109,29 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 0, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 11, Block2, 0, 3);
 		world.setBlock(x + 12, y + 0, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 21, y + 0, z + 11, Blocks.iron_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 21, y + 0, z + 11, 0, Blocks.iron_door);
-		world.setBlock(x + 22, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 24, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 25, y + 0, z + 11, Block1, 0, 3);
+		world.setBlock(x + 22, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 26, y + 0, z + 11, Blocks.wooden_door, 1, 3);
         ItemDoor.placeDoorBlock(world, x + 26, y + 0, z + 11, 1, Blocks.wooden_door);
-		world.setBlock(x + 27, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 28, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 29, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 30, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 31, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 32, y + 0, z + 11, Block1, 0, 3);
+		world.setBlock(x + 27, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 33, y + 0, z + 11, Blocks.wooden_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 33, y + 0, z + 11, 0, Blocks.wooden_door);
-		world.setBlock(x + 34, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 35, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 36, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 11, Block1, 0, 3);
+		world.setBlock(x + 34, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 11, Block5, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 12, Block5, 0, 3);
@@ -1143,20 +1143,20 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 0, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 12, Block2, 0, 3);
 		world.setBlock(x + 12, y + 0, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 0, z + 12, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 0, z + 12, Blocks.stone_stairs, 2, 3);
-		world.setBlock(x + 19, y + 0, z + 12, Block1, 0, 3);
+		world.setBlock(x + 19, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 0, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 21, y + 0, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 22, y + 0, z + 12, Block7, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 12, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 12, Block5, 0, 3);
 		world.setBlock(x + 25, y + 0, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 0, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 28, y + 0, z + 12, Block8, 3, 3);
 		world.setBlock(x + 29, y + 0, z + 12, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 0, z + 12, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 0, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 0, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 36, y + 0, z + 12, Blocks.chest, 3, 3);
@@ -1164,7 +1164,7 @@ public class DesertAtom002
 		{
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(1), (TileEntityChest)world.getTileEntity(x + 36, y + 0, z + 12), 8);
 		}
-        world.setBlock(x + 37, y + 0, z + 12, Block1, 0, 3);
+        world.setBlock(x + 37, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 13, Block5, 0, 3);
@@ -1176,20 +1176,20 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 0, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 13, Block2, 0, 3);
 		world.setBlock(x + 12, y + 0, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 0, z + 13, Blocks.chest, 4, 3);
 		if(world.getBlock(x + 22, y + 0, z + 13) == Blocks.chest)
 		{
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(1), (TileEntityChest)world.getTileEntity(x + 22, y + 0, z + 13), 8);
 		}
-		world.setBlock(x + 23, y + 0, z + 13, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 13, Block9, 5, 3);
-		world.setBlock(x + 30, y + 0, z + 13, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 0, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 14, Block5, 0, 3);
@@ -1201,20 +1201,20 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 0, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 14, Block2, 0, 3);
 		world.setBlock(x + 12, y + 0, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 0, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 22, y + 0, z + 14, Block7, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 14, Block9, 5, 3);
 		world.setBlock(x + 29, y + 0, z + 14, Blocks.oak_stairs, 7, 3);
-		world.setBlock(x + 30, y + 0, z + 14, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 0, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 35, y + 0, z + 14, Blocks.stone_brick_stairs, 4, 3);
 		world.setBlock(x + 36, y + 0, z + 14, Blocks.stonebrick, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 15, Block5, 0, 3);
@@ -1224,23 +1224,23 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 0, z + 15, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 15, Block2, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 15, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 15, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 0, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 21, y + 0, z + 15, Blocks.vine, 8, 3);
 		world.setBlock(x + 22, y + 0, z + 15, Block8, 4, 3);
-		world.setBlock(x + 23, y + 0, z + 15, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 15, Block9, 5, 3);
 		world.setBlock(x + 25, y + 0, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 0, z + 15, Blocks.oak_stairs, 1, 3);
 		world.setBlock(x + 29, y + 0, z + 15, Blocks.wooden_slab, 8, 3);
-		world.setBlock(x + 30, y + 0, z + 15, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 0, z + 15, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 0, z + 15, Blocks.stone_brick_stairs, 4, 3);
 		world.setBlock(x + 36, y + 0, z + 15, Blocks.stonebrick, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 16, Block5, 0, 3);
@@ -1248,63 +1248,63 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 0, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 16, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 16, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 16, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 0, z + 16, Blocks.vine, 2, 3);
 		world.setBlock(x + 21, y + 0, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 0, z + 16, Block10, 4, 3);
-		world.setBlock(x + 23, y + 0, z + 16, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 16, Block5, 0, 3);
 		world.setBlock(x + 29, y + 0, z + 16, Blocks.wooden_slab, 8, 3);
-		world.setBlock(x + 30, y + 0, z + 16, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 35, y + 0, z + 16, Blocks.stone_brick_stairs, 4, 3);
 		world.setBlock(x + 36, y + 0, z + 16, Blocks.stonebrick, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 16, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 17, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 17, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 0, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 21, y + 0, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 0, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 0, z + 17, Block5, 0, 3);
 		world.setBlock(x + 27, y + 0, z + 17, Blocks.oak_stairs, 5, 3);
 		world.setBlock(x + 28, y + 0, z + 17, Blocks.wooden_slab, 8, 3);
 		world.setBlock(x + 29, y + 0, z + 17, Blocks.wooden_slab, 8, 3);
-		world.setBlock(x + 30, y + 0, z + 17, Block1, 0, 3);
+		world.setBlock(x + 30, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 0, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 0, z + 17, Blocks.stone_brick_stairs, 4, 3);
 		world.setBlock(x + 36, y + 0, z + 17, Blocks.stonebrick, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 17, Block1, 0, 3);
+		world.setBlock(x + 37, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 18, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 34, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 35, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 36, y + 0, z + 18, Block1, 0, 3);
-		world.setBlock(x + 37, y + 0, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 0, z + 18, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 19, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 40, y + 0, z + 19, Blocks.iron_bars, 0, 3);
@@ -1517,31 +1517,31 @@ public class DesertAtom002
 		world.setBlock(x + 0, y + 1, z + 5, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 40, y + 1, z + 5, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 1, z + 6, Block11, 0, 3);
 		world.setBlock(x + 19, y + 1, z + 6, Block11, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 20, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 1, z + 6, Block11, 0, 3);
 		world.setBlock(x + 23, y + 1, z + 6, Blocks.vine, 2, 3);
-		world.setBlock(x + 24, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 24, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 26, y + 1, z + 6, Block11, 0, 3);
 		world.setBlock(x + 27, y + 1, z + 6, Block11, 0, 3);
-		world.setBlock(x + 28, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 28, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 1, z + 6, Blocks.web, 0, 3);
-		world.setBlock(x + 32, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 32, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 35, y + 1, z + 6, Block11, 0, 3);
-		world.setBlock(x + 36, y + 1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 1, z + 6, Block1, 0, 3);
+		world.setBlock(x + 36, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 6, Block5, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 7, Block8, 2, 3);
 		world.setBlock(x + 9, y + 1, z + 7, Block8, 2, 3);
-		world.setBlock(x + 16, y + 1, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 1, z + 7, Blocks.vine, 2, 3);
 		world.setBlock(x + 20, y + 1, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 21, y + 1, z + 7, Blocks.vine, 4, 3);
@@ -1550,7 +1550,7 @@ public class DesertAtom002
 		world.setBlock(x + 31, y + 1, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 33, y + 1, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 1, z + 7, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 1, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 7, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 8, Block5, 0, 3);
@@ -1558,7 +1558,7 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 1, z + 8, Block5, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 8, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 37, y + 1, z + 8, Blocks.iron_door, 9, 3);
         //ItemDoor.placeDoorBlock(world, x + 37, y + 1, z + 8, 9, Blocks.iron_door);
 		world.setBlock(x + 40, y + 1, z + 8, Blocks.fence, 0, 3);
@@ -1578,7 +1578,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 1, z + 9, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 9, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 9, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 37, y + 1, z + 9, Blocks.iron_door, 8, 3);
         //ItemDoor.placeDoorBlock(world, x + 37, y + 1, z + 9, 8, Blocks.iron_door);
 		world.setBlock(x + 40, y + 1, z + 9, Blocks.fence, 0, 3);
@@ -1592,14 +1592,14 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 1, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 1, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 1, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 23, y + 1, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 24, y + 1, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 27, y + 1, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 29, y + 1, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 35, y + 1, z + 10, Blocks.vine, 1, 3);
-		world.setBlock(x + 37, y + 1, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 10, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 11, Block5, 0, 3);
@@ -1611,29 +1611,29 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 1, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 1, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 21, y + 1, z + 11, Blocks.iron_door, 8, 3);
         //ItemDoor.placeDoorBlock(world, x + 21, y + 1, z + 11, 8, Blocks.iron_door);
-		world.setBlock(x + 22, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 23, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 24, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 25, y + 1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 22, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 26, y + 1, z + 11, Blocks.wooden_door, 8, 3);
         //ItemDoor.placeDoorBlock(world, x + 26, y + 1, z + 11, 8, Blocks.wooden_door);
-		world.setBlock(x + 27, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 28, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 29, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 31, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 32, y + 1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 27, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 33, y + 1, z + 11, Blocks.wooden_door, 8, 3);
         //ItemDoor.placeDoorBlock(world, x + 33, y + 1, z + 11, 8, Blocks.wooden_door);
-		world.setBlock(x + 34, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 35, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 36, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 37, y + 1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 34, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 11, Block5, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 12, Block5, 0, 3);
@@ -1645,21 +1645,21 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 1, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 1, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 1, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 21, y + 1, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 22, y + 1, z + 12, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 23, y + 1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 12, Block5, 0, 3);
 		world.setBlock(x + 25, y + 1, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 1, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 28, y + 1, z + 12, Block8, 3, 3);
-		world.setBlock(x + 30, y + 1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 1, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 1, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 36, y + 1, z + 12, Blocks.vine, 4, 3);
-		world.setBlock(x + 37, y + 1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 13, Block5, 0, 3);
@@ -1671,17 +1671,17 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 1, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 1, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 1, z + 13, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 1, z + 13, Blocks.stone_stairs, 2, 3);
-		world.setBlock(x + 19, y + 1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 19, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 1, z + 13, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 23, y + 1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 13, Block9, 5, 3);
 		world.setBlock(x + 25, y + 1, z + 13, Blocks.vine, 2, 3);
-		world.setBlock(x + 30, y + 1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 36, y + 1, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 14, Block5, 0, 3);
@@ -1693,19 +1693,19 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 1, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 1, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 1, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 22, y + 1, z + 14, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 23, y + 1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 14, Block5, 0, 3);
 		world.setBlock(x + 29, y + 1, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 1, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 36, y + 1, z + 14, Block9, 4, 3);
-		world.setBlock(x + 37, y + 1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 15, Block5, 0, 3);
@@ -1715,22 +1715,22 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 1, z + 15, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 15, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 1, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 1, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 21, y + 1, z + 15, Blocks.vine, 8, 3);
 		world.setBlock(x + 22, y + 1, z + 15, Block8, 4, 3);
-		world.setBlock(x + 23, y + 1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 15, Block5, 0, 3);
 		world.setBlock(x + 25, y + 1, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 29, y + 1, z + 15, Block12, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 1, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 35, y + 1, z + 15, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 36, y + 1, z + 15, Block9, 4, 3);
-		world.setBlock(x + 37, y + 1, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 16, Block5, 0, 3);
@@ -1738,8 +1738,8 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 1, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		
 		
 		//world.setBlock(x + 18, y + 1, z + 16, Blocks.chest, 2, 3);
@@ -1757,53 +1757,53 @@ public class DesertAtom002
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(3), (TileEntityCrateSteel)world.getTileEntity(x + 18, y + 1, z + 16), 12);
 		}
 		
-		world.setBlock(x + 19, y + 1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 19, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 1, z + 16, Blocks.vine, 2, 3);
 		world.setBlock(x + 22, y + 1, z + 16, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 23, y + 1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 16, Block9, 5, 3);
 		world.setBlock(x + 29, y + 1, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 36, y + 1, z + 16, Block9, 4, 3);
-		world.setBlock(x + 37, y + 1, z + 16, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 17, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 17, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 1, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 21, y + 1, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 1, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 1, z + 17, Block5, 0, 3);
 		world.setBlock(x + 28, y + 1, z + 17, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 29, y + 1, z + 17, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 30, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 35, y + 1, z + 17, Blocks.vine, 3, 3);
 		world.setBlock(x + 36, y + 1, z + 17, Block9, 4, 3);
-		world.setBlock(x + 37, y + 1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 37, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 1, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 18, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 1, z + 18, Block11, 0, 3);
-		world.setBlock(x + 22, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 1, z + 18, Block1, 0, 3);
+		world.setBlock(x + 22, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 25, y + 1, z + 18, Block11, 0, 3);
 		world.setBlock(x + 27, y + 1, z + 18, Block13, 4, 3);
 		world.setBlock(x + 28, y + 1, z + 18, Block11, 0, 3);
-		world.setBlock(x + 29, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 1, z + 18, Block1, 0, 3);
+		world.setBlock(x + 29, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 32, y + 1, z + 18, Block11, 0, 3);
 		world.setBlock(x + 33, y + 1, z + 18, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 35, y + 1, z + 18, Block11, 0, 3);
-		world.setBlock(x + 36, y + 1, z + 18, Block1, 0, 3);
+		world.setBlock(x + 36, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 37, y + 1, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + 1, z + 18, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 19, Blocks.iron_bars, 0, 3);
@@ -1972,33 +1972,33 @@ public class DesertAtom002
 		world.setBlock(x + 0, y + 2, z + 5, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 40, y + 2, z + 5, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 6, Block5, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 2, z + 7, Block8, 2, 3);
 		world.setBlock(x + 9, y + 2, z + 7, Block8, 2, 3);
-		world.setBlock(x + 16, y + 2, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 2, z + 7, Blocks.vine, 2, 3);
 		world.setBlock(x + 18, y + 2, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 19, y + 2, z + 7, Blocks.web, 0, 3);
@@ -2010,7 +2010,7 @@ public class DesertAtom002
 		world.setBlock(x + 31, y + 2, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 32, y + 2, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 2, z + 7, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 7, Block5, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 8, Block5, 0, 3);
@@ -2018,11 +2018,11 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 2, z + 8, Block5, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 2, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 26, y + 2, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 2, z + 8, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 8, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 9, Block5, 0, 3);
@@ -2032,11 +2032,11 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 2, z + 9, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 9, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 32, y + 2, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 2, z + 9, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 9, Blocks.fence, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 10, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 10, Block5, 0, 3);
@@ -2048,7 +2048,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 2, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 10, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 2, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 2, z + 10, Blocks.vine, 1, 3);
 		world.setBlock(x + 22, y + 2, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 23, y + 2, z + 10, Blocks.web, 0, 3);
@@ -2058,7 +2058,7 @@ public class DesertAtom002
 		world.setBlock(x + 32, y + 2, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 34, y + 2, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 2, z + 10, Blocks.vine, 1, 3);
-		world.setBlock(x + 37, y + 2, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 10, Block5, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 11, Block5, 0, 3);
@@ -2070,26 +2070,26 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 2, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 22, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 23, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 24, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 25, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 26, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 27, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 28, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 29, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 31, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 32, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 33, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 34, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 35, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 36, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 11, Block5, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 12, Block5, 0, 3);
@@ -2101,23 +2101,23 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 12, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 2, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 2, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 21, y + 2, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 22, y + 2, z + 12, Block9, 4, 3);
-		world.setBlock(x + 23, y + 2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 12, Block5, 0, 3);
 		world.setBlock(x + 25, y + 2, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 2, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 28, y + 2, z + 12, Block8, 3, 3);
 		world.setBlock(x + 29, y + 2, z + 12, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 2, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 33, y + 2, z + 12, Blocks.vine, 4, 3);
 		world.setBlock(x + 35, y + 2, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 2, z + 12, Blocks.vine, 4, 3);
-		world.setBlock(x + 37, y + 2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 13, Block5, 0, 3);
@@ -2129,18 +2129,18 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 2, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 2, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 2, z + 13, Block9, 4, 3);
-		world.setBlock(x + 23, y + 2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 13, Block5, 0, 3);
 		world.setBlock(x + 25, y + 2, z + 13, Blocks.vine, 2, 3);
 		world.setBlock(x + 29, y + 2, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 2, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 2, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 14, Block5, 0, 3);
@@ -2152,17 +2152,17 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 2, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 14, Blocks.water, 0, 3);
 		world.setBlock(x + 12, y + 2, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 2, z + 14, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 2, z + 14, Blocks.stone_stairs, 2, 3);
-		world.setBlock(x + 19, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 19, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 2, z + 14, Block9, 4, 3);
-		world.setBlock(x + 23, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 14, Block9, 5, 3);
 		world.setBlock(x + 29, y + 2, z + 14, Blocks.vine, 8, 3);
-		world.setBlock(x + 30, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 36, y + 2, z + 14, Blocks.stone_brick_stairs, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 15, Block5, 0, 3);
@@ -2172,21 +2172,21 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 2, z + 15, Blocks.water, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 15, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 2, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 2, z + 15, Blocks.web, 0, 3);
 		world.setBlock(x + 21, y + 2, z + 15, Blocks.vine, 8, 3);
 		world.setBlock(x + 22, y + 2, z + 15, Block5, 0, 3);
-		world.setBlock(x + 23, y + 2, z + 15, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 15, Block9, 5, 3);
 		world.setBlock(x + 27, y + 2, z + 15, Blocks.web, 0, 3);
 		world.setBlock(x + 29, y + 2, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 15, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 2, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 36, y + 2, z + 15, Blocks.stone_brick_stairs, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 16, Block5, 0, 3);
@@ -2194,60 +2194,60 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 2, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 2, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 21, y + 2, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 2, z + 16, Block9, 4, 3);
-		world.setBlock(x + 23, y + 2, z + 16, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 16, Block5, 0, 3);
 		world.setBlock(x + 25, y + 2, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 29, y + 2, z + 16, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 16, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 2, z + 16, Blocks.vine, 2, 3);
 		world.setBlock(x + 35, y + 2, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 2, z + 16, Blocks.stone_brick_stairs, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 16, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 20, y + 2, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 21, y + 2, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 2, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 2, z + 17, Block5, 0, 3);
 		world.setBlock(x + 28, y + 2, z + 17, Blocks.web, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 30, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 31, y + 2, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 34, y + 2, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 2, z + 17, Blocks.vine, 3, 3);
 		world.setBlock(x + 36, y + 2, z + 17, Blocks.stone_brick_stairs, 0, 3);
-		world.setBlock(x + 37, y + 2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 37, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 2, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 18, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 2, z + 18, Block11, 0, 3);
-		world.setBlock(x + 22, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 2, z + 18, Block1, 0, 3);
+		world.setBlock(x + 22, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 27, y + 2, z + 18, Block11, 0, 3);
 		world.setBlock(x + 28, y + 2, z + 18, Block11, 0, 3);
-		world.setBlock(x + 29, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 2, z + 18, Block1, 0, 3);
+		world.setBlock(x + 29, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 32, y + 2, z + 18, Block11, 0, 3);
 		world.setBlock(x + 34, y + 2, z + 18, Block11, 0, 3);
 		world.setBlock(x + 35, y + 2, z + 18, Blocks.gravel, 0, 3);
-		world.setBlock(x + 36, y + 2, z + 18, Block1, 0, 3);
+		world.setBlock(x + 36, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 37, y + 2, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + 2, z + 18, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 19, Blocks.iron_bars, 0, 3);
@@ -2404,33 +2404,33 @@ public class DesertAtom002
 		world.setBlock(x + 0, y + 3, z + 5, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 40, y + 3, z + 5, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 6, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 6, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 7, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 7, y + 3, z + 7, Block8, 2, 3);
 		world.setBlock(x + 9, y + 3, z + 7, Block8, 2, 3);
-		world.setBlock(x + 16, y + 3, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 7, Block6, 0, 3);
 		world.setBlock(x + 18, y + 3, z + 7, Block6, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 7, Block6, 0, 3);
@@ -2451,7 +2451,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + 3, z + 7, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 7, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 7, Block6, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 7, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 8, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 6, y + 3, z + 8, Block5, 0, 3);
@@ -2459,7 +2459,7 @@ public class DesertAtom002
 		world.setBlock(x + 8, y + 3, z + 8, Block5, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 3, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 8, Block6, 0, 3);
 		world.setBlock(x + 18, y + 3, z + 8, Block6, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 8, Block6, 0, 3);
@@ -2480,7 +2480,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + 3, z + 8, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 8, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 8, Block6, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 8, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 9, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 9, Block5, 0, 3);
@@ -2490,7 +2490,7 @@ public class DesertAtom002
 		world.setBlock(x + 9, y + 3, z + 9, Block5, 0, 3);
 		world.setBlock(x + 10, y + 3, z + 9, Block5, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 9, Block6, 0, 3);
 		world.setBlock(x + 18, y + 3, z + 9, Block6, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 9, Block6, 0, 3);
@@ -2511,7 +2511,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + 3, z + 9, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 9, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 9, Block6, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 9, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 10, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 10, Block5, 0, 3);
@@ -2523,7 +2523,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 3, z + 10, Block5, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 10, Block5, 0, 3);
 		world.setBlock(x + 12, y + 3, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 3, z + 10, Block6, 0, 3);
 		world.setBlock(x + 20, y + 3, z + 10, Block6, 0, 3);
 		world.setBlock(x + 21, y + 3, z + 10, Block6, 0, 3);
@@ -2542,7 +2542,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + 3, z + 10, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 10, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 10, Block6, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 10, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 11, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 11, Block5, 0, 3);
@@ -2554,7 +2554,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 3, z + 11, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 11, Block5, 0, 3);
 		world.setBlock(x + 12, y + 3, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 3, z + 11, Block6, 0, 3);
 		world.setBlock(x + 20, y + 3, z + 11, Block6, 0, 3);
 		world.setBlock(x + 21, y + 3, z + 11, Block6, 0, 3);
@@ -2573,7 +2573,7 @@ public class DesertAtom002
 		world.setBlock(x + 34, y + 3, z + 11, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 11, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 11, Block6, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 11, Block5, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 12, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 12, Block5, 0, 3);
@@ -2585,7 +2585,7 @@ public class DesertAtom002
 		world.setBlock(x + 10, y + 3, z + 12, Block5, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 12, Block5, 0, 3);
 		world.setBlock(x + 12, y + 3, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 3, z + 12, Block6, 0, 3);
 		world.setBlock(x + 20, y + 3, z + 12, Block6, 0, 3);
 
diff --git a/com/hbm/world/DesertAtom003.java b/com/hbm/world/DesertAtom003.java
index f8db4363c..a4a410007 100644
--- a/com/hbm/world/DesertAtom003.java
+++ b/com/hbm/world/DesertAtom003.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 import com.hbm.tileentity.machine.TileEntityMachinePuF6Tank;
 import com.hbm.tileentity.machine.TileEntityMachineUF6Tank;
@@ -20,7 +21,6 @@ import net.minecraft.world.World;
 
 public class DesertAtom003
 {
-	Block Block1 = ModBlocks.brick_concrete;
 	Block Block2 = ModBlocks.yellow_barrel;
 	Block Block3 = ModBlocks.reinforced_sand;
 	Block Block4 = ModBlocks.nuke_man;
@@ -68,7 +68,7 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 3, z + 12, Block6, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 12, Block6, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 12, Block18, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 12, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 13, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 13, Block5, 0, 3);
@@ -80,7 +80,7 @@ public class DesertAtom003
 		world.setBlock(x + 10, y + 3, z + 13, Blocks.water, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 13, Block5, 0, 3);
 		world.setBlock(x + 12, y + 3, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 3, z + 13, Block6, 0, 3);
 		world.setBlock(x + 20, y + 3, z + 13, Block6, 0, 3);
 		world.setBlock(x + 21, y + 3, z + 13, Block6, 0, 3);
@@ -99,7 +99,7 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 3, z + 13, Block18, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 13, Block18, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 13, Block18, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 13, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 14, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 14, Block5, 0, 3);
@@ -111,7 +111,7 @@ public class DesertAtom003
 		world.setBlock(x + 10, y + 3, z + 14, Block5, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 14, Block5, 0, 3);
 		world.setBlock(x + 12, y + 3, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 19, y + 3, z + 14, Block6, 0, 3);
 		world.setBlock(x + 20, y + 3, z + 14, Block6, 0, 3);
@@ -131,7 +131,7 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 3, z + 14, Block18, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 14, Block18, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 14, Block18, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 14, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 15, Block5, 0, 3);
@@ -141,7 +141,7 @@ public class DesertAtom003
 		world.setBlock(x + 9, y + 3, z + 15, Block5, 0, 3);
 		world.setBlock(x + 10, y + 3, z + 15, Block5, 0, 3);
 		world.setBlock(x + 11, y + 3, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 15, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 3, z + 15, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 19, y + 3, z + 15, Block6, 0, 3);
@@ -161,7 +161,7 @@ public class DesertAtom003
 		world.setBlock(x + 33, y + 3, z + 15, Block18, 0, 3);
 		world.setBlock(x + 34, y + 3, z + 15, Block18, 0, 3);
 		world.setBlock(x + 35, y + 3, z + 15, Block18, 0, 3);
-		world.setBlock(x + 37, y + 3, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 16, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 6, y + 3, z + 16, Block5, 0, 3);
@@ -169,7 +169,7 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 3, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 3, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 16, Block6, 0, 3);
 		world.setBlock(x + 18, y + 3, z + 16, Block6, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 16, Block6, 0, 3);
@@ -188,10 +188,10 @@ public class DesertAtom003
 		world.setBlock(x + 32, y + 3, z + 16, Block18, 0, 3);
 		world.setBlock(x + 33, y + 3, z + 16, Block18, 0, 3);
 		world.setBlock(x + 34, y + 3, z + 16, Blocks.vine, 4, 3);
-		world.setBlock(x + 37, y + 3, z + 16, Block1, 0, 3);
+		world.setBlock(x + 37, y + 3, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 3, z + 16, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 17, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 3, z + 17, Block6, 0, 3);
 		world.setBlock(x + 18, y + 3, z + 17, Block6, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 17, Block6, 0, 3);
@@ -213,25 +213,25 @@ public class DesertAtom003
 		world.setBlock(x + 35, y + 3, z + 17, Blocks.vine, 2, 3);
 		world.setBlock(x + 40, y + 3, z + 17, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 3, z + 18, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 16, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 34, y + 3, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 35, y + 3, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 36, y + 3, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 40, y + 3, z + 18, ModBlocks.barbed_wire, 0, 3);
@@ -336,35 +336,35 @@ public class DesertAtom003
 		world.setBlock(x + 14, y + 3, z + 33, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 15, y + 3, z + 33, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 16, y + 3, z + 33, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 4, z + 7, Block8, 2, 3);
 		world.setBlock(x + 9, y + 4, z + 7, Block8, 2, 3);
-		world.setBlock(x + 16, y + 4, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 4, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 19, y + 4, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 20, y + 4, z + 7, Blocks.vine, 4, 3);
-		world.setBlock(x + 23, y + 4, z + 7, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 25, y + 4, z + 7, Block8, 3, 3);
 		world.setBlock(x + 26, y + 4, z + 7, Block19, 3, 3);
 		world.setBlock(x + 27, y + 4, z + 7, Block19, 3, 3);
@@ -401,7 +401,7 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 4, z + 7, Block23, 0, 3);
 		world.setBlock(x + 35, y + 4, z + 7, Block23, 0, 3);
 		world.setBlock(x + 36, y + 4, z + 7, Block23, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 4, z + 7, Block5, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 8, Block5, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 8, Block5, 0, 3);
@@ -409,9 +409,9 @@ public class DesertAtom003
         ItemDoor.placeDoorBlock(world, x + 8, y + 4, z + 8, 1, Blocks.iron_door);
 		world.setBlock(x + 9, y + 4, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 4, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 4, z + 8, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 8, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 8, Block12, 0, 3);
 		world.setBlock(x + 26, y + 4, z + 8, Blocks.unpowered_repeater, 0, 3);
 		world.setBlock(x + 27, y + 4, z + 8, Blocks.unpowered_repeater, 0, 3);
@@ -421,18 +421,18 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 4, z + 8, Block22, 0, 3);
 		world.setBlock(x + 35, y + 4, z + 8, Block22, 0, 3);
 		world.setBlock(x + 36, y + 4, z + 8, Block22, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 4, z + 8, Block5, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 9, Block5, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 9, Block2, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 9, Block2, 0, 3);
 		world.setBlock(x + 10, y + 4, z + 9, Block2, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 4, z + 9, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 4, z + 9, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 19, y + 4, z + 9, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 9, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 9, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 26, y + 4, z + 9, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 27, y + 4, z + 9, Blocks.redstone_wire, 0, 3);
@@ -449,18 +449,18 @@ public class DesertAtom003
 		{
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(5), (TileEntityChest)world.getTileEntity(x + 36, y + 4, z + 9), 12);
 		}
-        world.setBlock(x + 37, y + 4, z + 9, Block1, 0, 3);
+        world.setBlock(x + 37, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 4, z + 9, Block5, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 10, Block5, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 10, Block2, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 10, Block2, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 4, z + 10, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 18, y + 4, z + 10, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 19, y + 4, z + 10, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 20, y + 4, z + 10, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 10, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 25, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 26, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
@@ -468,30 +468,30 @@ public class DesertAtom003
 		world.setBlock(x + 29, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 30, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 35, y + 4, z + 10, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 40, y + 4, z + 10, Block5, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 11, Block5, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 11, Block2, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 11, Block2, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 4, z + 11, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 4, z + 11, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 11, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 27, y + 4, z + 11, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 28, y + 4, z + 11, Block24, 0, 3);
 		world.setBlock(x + 29, y + 4, z + 11, Block24, 0, 3);
 		world.setBlock(x + 30, y + 4, z + 11, Block24, 0, 3);
 		world.setBlock(x + 34, y + 4, z + 11, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 12, Block5, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 12, Block14, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 12, Block2, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 4, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 4, z + 12, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 4, z + 12, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 12, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 27, y + 4, z + 12, Blocks.vine, 8, 3);
 		world.setBlock(x + 28, y + 4, z + 12, Block24, 0, 3);
@@ -500,15 +500,15 @@ public class DesertAtom003
 		world.setBlock(x + 31, y + 4, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 32, y + 4, z + 12, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 36, y + 4, z + 12, Blocks.vine, 8, 3);
-		world.setBlock(x + 37, y + 4, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 13, Block5, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 13, Block2, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 4, z + 13, Blocks.vine, 2, 3);
 		world.setBlock(x + 19, y + 4, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 4, z + 13, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 4, z + 13, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 13, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 25, y + 4, z + 13, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 26, y + 4, z + 13, Blocks.redstone_wire, 0, 3);
@@ -517,13 +517,13 @@ public class DesertAtom003
 		world.setBlock(x + 30, y + 4, z + 13, Block24, 0, 3);
 		world.setBlock(x + 31, y + 4, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 4, z + 13, Blocks.vine, 8, 3);
-		world.setBlock(x + 37, y + 4, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 14, Block5, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 4, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 19, y + 4, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 4, z + 14, Block12, 0, 3);
 		world.setBlock(x + 26, y + 4, z + 14, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 27, y + 4, z + 14, Blocks.redstone_wire, 0, 3);
@@ -531,13 +531,13 @@ public class DesertAtom003
 		world.setBlock(x + 29, y + 4, z + 14, Block25, 0, 3);
 		world.setBlock(x + 30, y + 4, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 31, y + 4, z + 14, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 14, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 4, z + 15, Block5, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 15, Block2, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 15, Block2, 0, 3);
 		world.setBlock(x + 10, y + 4, z + 15, Block2, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 4, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 4, z + 15, Blocks.iron_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 23, y + 4, z + 15, 0, Blocks.iron_door);
@@ -545,46 +545,46 @@ public class DesertAtom003
 		world.setBlock(x + 27, y + 4, z + 15, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 30, y + 4, z + 15, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 31, y + 4, z + 15, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 37, y + 4, z + 15, Block1, 0, 3);
+		world.setBlock(x + 37, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 4, z + 16, Block5, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 16, Block5, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 4, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 4, z + 16, Blocks.vine, 8, 3);
 		//world.setBlock(x + 23, y + 4, z + 16, Blocks.iron_door, 3, 3);
         ItemDoor.placeDoorBlock(world, x + 23, y + 4, z + 16, 3, Blocks.iron_door);
 		world.setBlock(x + 26, y + 4, z + 16, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 29, y + 4, z + 16, Blocks.unpowered_repeater, 2, 3);
 		world.setBlock(x + 37, y + 4, z + 16, Blocks.gravel, 0, 3);
-		world.setBlock(x + 16, y + 4, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 4, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 22, y + 4, z + 17, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 4, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 4, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 27, y + 4, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 28, y + 4, z + 17, Blocks.vine, 9, 3);
 		world.setBlock(x + 29, y + 4, z + 17, Block12, 0, 3);
 		world.setBlock(x + 33, y + 4, z + 17, Blocks.vine, 3, 3);
-		world.setBlock(x + 16, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 4, z + 18, Block1, 0, 3);
-		world.setBlock(x + 34, y + 4, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 4, z + 20, Block15, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 20, Block15, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 20, Block15, 0, 3);
@@ -641,41 +641,41 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 4, z + 30, Block15, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 30, Block15, 0, 3);
 		world.setBlock(x + 10, y + 4, z + 30, Block15, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 5, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 5, z + 6, Block11, 0, 3);
 		world.setBlock(x + 19, y + 5, z + 6, Block11, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 5, z + 6, Block1, 0, 3);
+		world.setBlock(x + 20, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 5, z + 7, Block8, 2, 3);
 		world.setBlock(x + 9, y + 5, z + 7, Block8, 2, 3);
-		world.setBlock(x + 16, y + 5, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 5, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 19, y + 5, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 20, y + 5, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 22, y + 5, z + 7, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 5, z + 7, Block1, 0, 3);
+		world.setBlock(x + 23, y + 5, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 25, y + 5, z + 7, Block8, 3, 3);
 		world.setBlock(x + 30, y + 5, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 32, y + 5, z + 7, Block2, 0, 3);
 		world.setBlock(x + 33, y + 5, z + 7, Block11, 0, 3);
-		world.setBlock(x + 37, y + 5, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 5, z + 8, Block5, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 8, Block5, 0, 3);
 		//world.setBlock(x + 8, y + 5, z + 8, Blocks.iron_door, 8, 3);
@@ -687,25 +687,25 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 5, z + 8, Block11, 0, 3);
 		world.setBlock(x + 35, y + 5, z + 8, Block11, 0, 3);
 		world.setBlock(x + 36, y + 5, z + 8, Block11, 0, 3);
-		world.setBlock(x + 37, y + 5, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 5, z + 9, Block5, 0, 3);
 		world.setBlock(x + 11, y + 5, z + 9, Block5, 0, 3);
 		world.setBlock(x + 16, y + 5, z + 9, Block11, 0, 3);
 		world.setBlock(x + 19, y + 5, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 5, z + 9, Block11, 0, 3);
 		world.setBlock(x + 33, y + 5, z + 9, Blocks.vine, 4, 3);
-		world.setBlock(x + 37, y + 5, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 10, Block5, 0, 3);
 		world.setBlock(x + 12, y + 5, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 5, z + 10, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 5, z + 10, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 19, y + 5, z + 10, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 5, z + 10, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 5, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 11, Block5, 0, 3);
 		world.setBlock(x + 12, y + 5, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 5, z + 11, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 18, y + 5, z + 11, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 19, y + 5, z + 11, Blocks.iron_bars, 0, 3);
@@ -715,11 +715,11 @@ public class DesertAtom003
 		world.setBlock(x + 28, y + 5, z + 11, Block16, 4, 3);
 		world.setBlock(x + 29, y + 5, z + 11, Block16, 2, 3);
 		world.setBlock(x + 30, y + 5, z + 11, Block16, 3, 3);
-		world.setBlock(x + 37, y + 5, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 12, Block5, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 12, Block25, 0, 3);
 		world.setBlock(x + 12, y + 5, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 5, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 19, y + 5, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 22, y + 5, z + 12, Blocks.vine, 8, 3);
@@ -730,10 +730,10 @@ public class DesertAtom003
 		world.setBlock(x + 30, y + 5, z + 12, Block16, 3, 3);
 		world.setBlock(x + 31, y + 5, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 36, y + 5, z + 12, Blocks.vine, 8, 3);
-		world.setBlock(x + 37, y + 5, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 13, Block5, 0, 3);
 		world.setBlock(x + 12, y + 5, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 5, z + 13, Blocks.vine, 2, 3);
 		world.setBlock(x + 19, y + 5, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 5, z + 13, Block11, 0, 3);
@@ -743,12 +743,12 @@ public class DesertAtom003
 		world.setBlock(x + 31, y + 5, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 35, y + 5, z + 13, Blocks.vine, 4, 3);
 		world.setBlock(x + 36, y + 5, z + 13, Blocks.vine, 8, 3);
-		world.setBlock(x + 37, y + 5, z + 13, Block1, 0, 3);
+		world.setBlock(x + 37, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 14, Block5, 0, 3);
 		world.setBlock(x + 12, y + 5, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 5, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 5, z + 14, Blocks.vine, 2, 3);
-		world.setBlock(x + 23, y + 5, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 5, z + 14, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 27, y + 5, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 29, y + 5, z + 14, Block25, 0, 3);
@@ -770,33 +770,33 @@ public class DesertAtom003
 		world.setBlock(x + 22, y + 5, z + 16, Blocks.vine, 8, 3);
 		//world.setBlock(x + 23, y + 5, z + 16, Blocks.iron_door, 8, 3);
 		world.setBlock(x + 34, y + 5, z + 16, Blocks.vine, 2, 3);
-		world.setBlock(x + 16, y + 5, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 5, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 22, y + 5, z + 17, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 5, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 5, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 5, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 27, y + 5, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 28, y + 5, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 33, y + 5, z + 17, Blocks.vine, 3, 3);
-		world.setBlock(x + 16, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 5, z + 18, Block1, 0, 3);
-		world.setBlock(x + 34, y + 5, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 5, z + 21, Block15, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 21, Block15, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 21, Block15, 0, 3);
@@ -821,38 +821,38 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 5, z + 29, Block15, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 29, Block15, 0, 3);
 		world.setBlock(x + 10, y + 5, z + 29, Block15, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 6, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 6, z + 7, Block5, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 7, Block5, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 7, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 6, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 19, y + 6, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 20, y + 6, z + 7, Blocks.vine, 4, 3);
 		world.setBlock(x + 21, y + 6, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 6, z + 7, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 7, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 25, y + 6, z + 7, Block8, 3, 3);
 		world.setBlock(x + 26, y + 6, z + 7, Blocks.web, 0, 3);
@@ -864,22 +864,22 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 6, z + 7, Block22, 0, 3);
 		world.setBlock(x + 35, y + 6, z + 7, Block22, 0, 3);
 		world.setBlock(x + 36, y + 6, z + 7, Block22, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 7, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 6, z + 8, Block5, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 8, Block5, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 8, Block5, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 8, Block5, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 8, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 6, z + 8, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 8, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 26, y + 6, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 32, y + 6, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 6, z + 8, Block22, 0, 3);
 		world.setBlock(x + 34, y + 6, z + 8, Block22, 0, 3);
 		world.setBlock(x + 35, y + 6, z + 8, Block22, 0, 3);
 		world.setBlock(x + 36, y + 6, z + 8, Block22, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 6, z + 9, Block5, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 9, Block5, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 9, Block5, 0, 3);
@@ -887,55 +887,55 @@ public class DesertAtom003
 		world.setBlock(x + 9, y + 6, z + 9, Block5, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 9, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 9, Block1, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 25, y + 6, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 30, y + 6, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 6, z + 9, Blocks.vine, 4, 3);
 		world.setBlock(x + 35, y + 6, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 6, z + 9, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 10, Block5, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 10, Block5, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 10, Block5, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 10, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 10, Block5, 0, 3);
 		world.setBlock(x + 12, y + 6, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 6, z + 10, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 10, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 30, y + 6, z + 10, Blocks.web, 0, 3);
 		world.setBlock(x + 36, y + 6, z + 10, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 11, Block5, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 11, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 11, Block5, 0, 3);
 		world.setBlock(x + 12, y + 6, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 11, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 18, y + 6, z + 11, Blocks.stone_stairs, 2, 3);
 		world.setBlock(x + 19, y + 6, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 20, y + 6, z + 11, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 11, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 27, y + 6, z + 11, Blocks.vine, 8, 3);
 		world.setBlock(x + 28, y + 6, z + 11, Block24, 0, 3);
 		world.setBlock(x + 29, y + 6, z + 11, Block24, 0, 3);
 		world.setBlock(x + 30, y + 6, z + 11, Block24, 0, 3);
 		world.setBlock(x + 31, y + 6, z + 11, Blocks.web, 0, 3);
-		world.setBlock(x + 37, y + 6, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 12, Block5, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 12, Block5, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 12, Block25, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 12, Block5, 0, 3);
 		world.setBlock(x + 12, y + 6, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 12, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 18, y + 6, z + 12, Blocks.stone_stairs, 7, 3);
 		world.setBlock(x + 19, y + 6, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 20, y + 6, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 6, z + 12, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 6, z + 12, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 6, z + 12, Blocks.vine, 8, 3);
 		world.setBlock(x + 28, y + 6, z + 12, Block24, 0, 3);
@@ -943,14 +943,14 @@ public class DesertAtom003
 		world.setBlock(x + 30, y + 6, z + 12, Block24, 0, 3);
 		world.setBlock(x + 31, y + 6, z + 12, Blocks.vine, 2, 3);
 		world.setBlock(x + 36, y + 6, z + 12, Blocks.vine, 8, 3);
-		world.setBlock(x + 37, y + 6, z + 12, Block1, 0, 3);
+		world.setBlock(x + 37, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 13, Block5, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 13, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 13, Block5, 0, 3);
 		world.setBlock(x + 12, y + 6, z + 13, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 13, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 27, y + 6, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 28, y + 6, z + 13, Block24, 0, 3);
 		world.setBlock(x + 29, y + 6, z + 13, Block24, 0, 3);
@@ -965,9 +965,9 @@ public class DesertAtom003
 		world.setBlock(x + 10, y + 6, z + 14, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 14, Block5, 0, 3);
 		world.setBlock(x + 12, y + 6, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 14, Blocks.vine, 2, 3);
-		world.setBlock(x + 23, y + 6, z + 14, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 14, Blocks.vine, 2, 3);
 		world.setBlock(x + 26, y + 6, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 28, y + 6, z + 14, Blocks.web, 0, 3);
@@ -979,9 +979,9 @@ public class DesertAtom003
 		world.setBlock(x + 9, y + 6, z + 15, Block5, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 15, Block5, 0, 3);
 		world.setBlock(x + 11, y + 6, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 15, Blocks.vine, 2, 3);
-		world.setBlock(x + 23, y + 6, z + 15, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 27, y + 6, z + 15, Blocks.web, 0, 3);
 		world.setBlock(x + 34, y + 6, z + 15, Blocks.vine, 2, 3);
@@ -990,43 +990,43 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 6, z + 16, Block5, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 16, Block5, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 6, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 22, y + 6, z + 16, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 6, z + 16, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 24, y + 6, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 29, y + 6, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 34, y + 6, z + 16, Blocks.vine, 2, 3);
-		world.setBlock(x + 16, y + 6, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 18, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 20, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 21, y + 6, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 22, y + 6, z + 17, Blocks.vine, 8, 3);
-		world.setBlock(x + 23, y + 6, z + 17, Block1, 0, 3);
+		world.setBlock(x + 23, y + 6, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 25, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 27, y + 6, z + 17, Blocks.vine, 1, 3);
 		world.setBlock(x + 28, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 30, y + 6, z + 17, Blocks.web, 0, 3);
 		world.setBlock(x + 33, y + 6, z + 17, Blocks.vine, 3, 3);
-		world.setBlock(x + 16, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 6, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 6, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 6, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 34, y + 6, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 21, Block15, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 21, Block15, 0, 3);
@@ -1052,28 +1052,28 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 6, z + 29, Block15, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 29, Block15, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 29, Block15, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 22, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 24, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + 7, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 7, z + 7, Block6, 0, 3);
 		world.setBlock(x + 20, y + 7, z + 7, Block6, 0, 3);
 		world.setBlock(x + 21, y + 7, z + 7, Block6, 0, 3);
@@ -1092,8 +1092,8 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 7, z + 7, Block6, 0, 3);
 		world.setBlock(x + 35, y + 7, z + 7, Block6, 0, 3);
 		world.setBlock(x + 36, y + 7, z + 7, Block6, 0, 3);
-		world.setBlock(x + 37, y + 7, z + 7, Block1, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 7, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + 7, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 7, z + 8, Block6, 0, 3);
 		world.setBlock(x + 20, y + 7, z + 8, Block6, 0, 3);
 		world.setBlock(x + 21, y + 7, z + 8, Block6, 0, 3);
@@ -1112,13 +1112,13 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 7, z + 8, Block6, 0, 3);
 		world.setBlock(x + 35, y + 7, z + 8, Block6, 0, 3);
 		world.setBlock(x + 36, y + 7, z + 8, Block6, 0, 3);
-		world.setBlock(x + 37, y + 7, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 7, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 7, z + 9, Block5, 0, 3);
 		world.setBlock(x + 7, y + 7, z + 9, Block5, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 9, Block5, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 9, Block5, 0, 3);
 		world.setBlock(x + 10, y + 7, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 7, z + 9, Block6, 0, 3);
 		world.setBlock(x + 20, y + 7, z + 9, Block25, 0, 3);
 		world.setBlock(x + 21, y + 7, z + 9, Block25, 0, 3);
@@ -1137,12 +1137,12 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 7, z + 9, Block6, 0, 3);
 		world.setBlock(x + 35, y + 7, z + 9, Block6, 0, 3);
 		world.setBlock(x + 36, y + 7, z + 9, Block6, 0, 3);
-		world.setBlock(x + 37, y + 7, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 7, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 10, Block5, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 10, Block5, 0, 3);
 		world.setBlock(x + 10, y + 7, z + 10, Block5, 0, 3);
 		world.setBlock(x + 11, y + 7, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 7, z + 10, Block6, 0, 3);
 		world.setBlock(x + 20, y + 7, z + 10, Block25, 0, 3);
 		world.setBlock(x + 21, y + 7, z + 10, Block6, 0, 3);
@@ -1161,10 +1161,10 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 7, z + 10, Block6, 0, 3);
 		world.setBlock(x + 35, y + 7, z + 10, Block6, 0, 3);
 		world.setBlock(x + 36, y + 7, z + 10, Block18, 0, 3);
-		world.setBlock(x + 37, y + 7, z + 10, Block1, 0, 3);
+		world.setBlock(x + 37, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 11, Block5, 0, 3);
 		world.setBlock(x + 11, y + 7, z + 11, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 7, z + 11, Block6, 0, 3);
 		world.setBlock(x + 20, y + 7, z + 11, Block25, 0, 3);
 		world.setBlock(x + 21, y + 7, z + 11, Block6, 0, 3);
@@ -1183,7 +1183,7 @@ public class DesertAtom003
 		world.setBlock(x + 34, y + 7, z + 11, Block6, 0, 3);
 		world.setBlock(x + 35, y + 7, z + 11, Block18, 0, 3);
 		world.setBlock(x + 36, y + 7, z + 11, Block18, 0, 3);
-		world.setBlock(x + 37, y + 7, z + 11, Block1, 0, 3);
+		world.setBlock(x + 37, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 12, Block5, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 12, Block25, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 12, Block25, 0, 3);
@@ -1264,7 +1264,7 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 7, z + 15, Block5, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 15, Block5, 0, 3);
 		world.setBlock(x + 10, y + 7, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 7, z + 15, Block6, 0, 3);
 		world.setBlock(x + 18, y + 7, z + 15, Block6, 0, 3);
 		world.setBlock(x + 19, y + 7, z + 15, Block6, 0, 3);
@@ -1284,7 +1284,7 @@ public class DesertAtom003
 		world.setBlock(x + 33, y + 7, z + 15, Block18, 0, 3);
 		world.setBlock(x + 34, y + 7, z + 15, Blocks.vine, 2, 3);
 		world.setBlock(x + 8, y + 7, z + 16, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 7, z + 16, Block6, 0, 3);
 		world.setBlock(x + 18, y + 7, z + 16, Block6, 0, 3);
 		world.setBlock(x + 19, y + 7, z + 16, Block6, 0, 3);
@@ -1304,7 +1304,7 @@ public class DesertAtom003
 		world.setBlock(x + 33, y + 7, z + 16, Block18, 0, 3);
 		world.setBlock(x + 34, y + 7, z + 16, Blocks.vine, 2, 3);
 		world.setBlock(x + 8, y + 7, z + 17, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 17, y + 7, z + 17, Block6, 0, 3);
 		world.setBlock(x + 18, y + 7, z + 17, Block6, 0, 3);
 		world.setBlock(x + 19, y + 7, z + 17, Block6, 0, 3);
@@ -1323,24 +1323,24 @@ public class DesertAtom003
 		world.setBlock(x + 32, y + 7, z + 17, Block18, 0, 3);
 		world.setBlock(x + 33, y + 7, z + 17, Blocks.vine, 2, 3);
 		world.setBlock(x + 8, y + 7, z + 18, Block5, 0, 3);
-		world.setBlock(x + 16, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 7, z + 18, Block1, 0, 3);
-		world.setBlock(x + 33, y + 7, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 7, z + 19, Block5, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 20, Block5, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 21, Block15, 0, 3);
@@ -1398,36 +1398,36 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 7, z + 29, Block15, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 29, Block15, 0, 3);
 		world.setBlock(x + 10, y + 7, z + 29, Block15, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 17, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 21, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 23, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 25, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 26, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 27, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 28, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 29, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 30, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 31, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 32, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 33, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 34, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 35, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 36, y + 8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 7, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 33, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 34, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 35, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 36, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + 8, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 8, z + 7, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 8, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 8, z + 8, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 37, y + 8, z + 8, Block1, 0, 3);
+		world.setBlock(x + 37, y + 8, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 8, z + 9, Block5, 0, 3);
 		world.setBlock(x + 7, y + 8, z + 9, Block5, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 9, Block5, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 9, Block5, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 9, Block5, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 9, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 8, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 8, z + 9, Block25, 0, 3);
 		world.setBlock(x + 24, y + 8, z + 9, Block25, 0, 3);
@@ -1438,7 +1438,7 @@ public class DesertAtom003
 		world.setBlock(x + 29, y + 8, z + 9, Block25, 0, 3);
 		world.setBlock(x + 30, y + 8, z + 9, Block25, 0, 3);
 		world.setBlock(x + 31, y + 8, z + 9, Block29, 3, 3);
-		world.setBlock(x + 37, y + 8, z + 9, Block1, 0, 3);
+		world.setBlock(x + 37, y + 8, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 10, Block5, 0, 3);
 		world.setBlock(x + 6, y + 8, z + 10, Block5, 0, 3);
 		world.setBlock(x + 7, y + 8, z + 10, Block11, 0, 3);
@@ -1446,8 +1446,8 @@ public class DesertAtom003
 		world.setBlock(x + 9, y + 8, z + 10, Block11, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 10, Block5, 0, 3);
 		world.setBlock(x + 11, y + 8, z + 10, Block5, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 10, Block1, 0, 3);
-		world.setBlock(x + 37, y + 8, z + 10, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 37, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 11, Block5, 0, 3);
 		world.setBlock(x + 6, y + 8, z + 11, Block11, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 11, Block11, 0, 3);
@@ -1455,7 +1455,7 @@ public class DesertAtom003
 		world.setBlock(x + 12, y + 8, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 14, y + 8, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 8, z + 11, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 11, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 8, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 37, y + 8, z + 11, Blocks.gravel, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 12, Block5, 0, 3);
@@ -1463,7 +1463,7 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 8, z + 12, Block25, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 12, Block5, 0, 3);
 		world.setBlock(x + 11, y + 8, z + 12, Block5, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 12, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 8, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 13, Block5, 0, 3);
 		world.setBlock(x + 6, y + 8, z + 13, Block11, 0, 3);
@@ -1472,7 +1472,7 @@ public class DesertAtom003
 		world.setBlock(x + 12, y + 8, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 13, y + 8, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 14, y + 8, z + 13, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 13, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 33, y + 8, z + 13, Block13, 5, 3);
 		world.setBlock(x + 5, y + 8, z + 14, Block5, 0, 3);
 		world.setBlock(x + 6, y + 8, z + 14, Block5, 0, 3);
@@ -1481,7 +1481,7 @@ public class DesertAtom003
 		world.setBlock(x + 9, y + 8, z + 14, Block11, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 14, Block5, 0, 3);
 		world.setBlock(x + 11, y + 8, z + 14, Block5, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 14, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 8, z + 14, Block5, 0, 3);
 		world.setBlock(x + 23, y + 8, z + 14, Block25, 0, 3);
 		world.setBlock(x + 27, y + 8, z + 14, Block5, 0, 3);
@@ -1493,7 +1493,7 @@ public class DesertAtom003
 		world.setBlock(x + 8, y + 8, z + 15, Block5, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 15, Block5, 0, 3);
 		world.setBlock(x + 10, y + 8, z + 15, Block5, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 15, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 8, z + 15, Block5, 0, 3);
 		world.setBlock(x + 23, y + 8, z + 15, Block5, 0, 3);
 		world.setBlock(x + 24, y + 8, z + 15, Block5, 0, 3);
@@ -1504,7 +1504,7 @@ public class DesertAtom003
 		world.setBlock(x + 31, y + 8, z + 15, Block8, 3, 3);
 		world.setBlock(x + 7, y + 8, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 16, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 16, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 8, z + 16, Block5, 0, 3);
 		world.setBlock(x + 23, y + 8, z + 16, Block5, 0, 3);
 		world.setBlock(x + 24, y + 8, z + 16, Block5, 0, 3);
@@ -1512,26 +1512,26 @@ public class DesertAtom003
 		world.setBlock(x + 28, y + 8, z + 16, Block5, 0, 3);
 		world.setBlock(x + 29, y + 8, z + 16, Block5, 0, 3);
 		world.setBlock(x + 7, y + 8, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 17, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 8, z + 18, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 18, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 16, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 17, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 21, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 22, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 23, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 24, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 25, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 26, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 27, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 28, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 29, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 30, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 31, y + 8, z + 18, Block1, 0, 3);
-		world.setBlock(x + 32, y + 8, z + 18, Block1, 0, 3);
+		world.setBlock(x + 16, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 23, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 24, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 25, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 26, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 27, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 28, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 29, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 30, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 31, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 32, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 33, y + 8, z + 18, Blocks.gravel, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 19, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 8, z + 21, Blocks.iron_bars, 0, 3);
diff --git a/com/hbm/world/Radio01.java b/com/hbm/world/Radio01.java
index 20931299e..ae1a300fc 100644
--- a/com/hbm/world/Radio01.java
+++ b/com/hbm/world/Radio01.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.tileentity.machine.TileEntityCrateSteel;
 
 import net.minecraft.block.Block;
@@ -81,18 +82,18 @@ public class Radio01 extends WorldGenerator
 			return false;
 		}
 
-		world.setBlock(x + 0, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
@@ -102,8 +103,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 1, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
@@ -113,8 +114,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 2, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
@@ -124,8 +125,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 3, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
@@ -135,8 +136,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 4, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
@@ -146,8 +147,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 5, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
@@ -157,8 +158,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 6, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
@@ -168,8 +169,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 7, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
@@ -179,8 +180,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 8, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
@@ -190,8 +191,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 9, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
@@ -201,8 +202,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 10, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
@@ -212,8 +213,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 11, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
@@ -223,8 +224,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 12, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
@@ -234,8 +235,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 13, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
@@ -245,8 +246,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 14, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
@@ -256,8 +257,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 15, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
@@ -267,8 +268,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 16, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
@@ -278,8 +279,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 17, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
@@ -289,8 +290,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 18, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
@@ -300,21 +301,21 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 19, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 20, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + -1, z + 21, Blocks.air, 0, 3);
 		//world.setBlock(x + 1, y + -1, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
@@ -322,10 +323,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 21, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 21, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + -1, z + 22, Blocks.air, 0, 3);
 		//world.setBlock(x + 1, y + -1, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
@@ -333,10 +334,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 22, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 22, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + -1, z + 23, Blocks.air, 0, 3);
 		//world.setBlock(x + 1, y + -1, z + 23, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
@@ -344,10 +345,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 23, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + -1, z + 24, Blocks.air, 0, 3);
 		//world.setBlock(x + 1, y + -1, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
@@ -355,30 +356,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 24, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 24, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + -1, z + 25, Blocks.air, 0, 3);
 		//world.setBlock(x + 1, y + -1, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 1, Blocks.air, 0, 3);
@@ -388,8 +389,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 1, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 2, Blocks.air, 0, 3);
@@ -399,8 +400,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 3, Blocks.air, 0, 3);
@@ -410,53 +411,53 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 4, Blocks.stone_stairs, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 4, Blocks.stone_stairs, 5, 3);
 		world.setBlock(x + 5, y + 0, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 4, Blocks.wooden_door, 3, 3);
         ItemDoor.placeDoorBlock(world, x + 8, y + 0, z + 4, 3, Blocks.wooden_door);
-		world.setBlock(x + 9, y + 0, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 9, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 6, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 7, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 7, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 7, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 7, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 8, ModBlocks.tape_recorder, 5, 3);
@@ -467,30 +468,30 @@ public class Radio01 extends WorldGenerator
         ItemDoor.placeDoorBlock(world, x + 7, y + 0, z + 8, 2, Blocks.wooden_door);
 		world.setBlock(x + 8, y + 0, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 9, Blocks.oak_stairs, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 11, ModBlocks.deco_titanium, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 11, ModBlocks.deco_titanium, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 11, ModBlocks.steel_poles, 5, 3);
@@ -499,22 +500,22 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 6, y + 0, z + 11, Blocks.chest, 3, 3);
 		world.setBlockMetadataWithNotify(x + 6, y + 0, z + 11, 5, 3);
         WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(1), (TileEntityChest)world.getTileEntity(x + 6, y + 0, z + 11), 8);
-		world.setBlock(x + 7, y + 0, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 12, Blocks.flower_pot, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 13, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 13, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 13, ModBlocks.deco_steel, 0, 3);
@@ -525,30 +526,30 @@ public class Radio01 extends WorldGenerator
         ItemDoor.placeDoorBlock(world, x + 7, y + 0, z + 13, 2, Blocks.iron_door);
 		world.setBlock(x + 8, y + 0, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 16, Blocks.air, 0, 3);
@@ -558,7 +559,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 17, Blocks.iron_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 0, y + 0, z + 17, 0, Blocks.iron_door);
 		world.setBlock(x - 1, y + 1, z + 17, Blocks.wall_sign, 4, 3);
@@ -571,7 +572,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 18, Blocks.iron_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 0, y + 0, z + 18, 0, Blocks.iron_door);
 		world.setBlock(x - 1, y + 1, z + 18, Blocks.wall_sign, 4, 3);
@@ -584,8 +585,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 19, Blocks.air, 0, 3);
@@ -595,21 +596,21 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 19, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 4, y + 0, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 5, y + 0, z + 21, ModBlocks.steel_poles, 3, 3);
@@ -617,10 +618,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 21, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 8, y + 0, z + 21, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 0, z + 21, ModBlocks.tape_recorder, 4, 3);
-		world.setBlock(x + 10, y + 0, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 22, Blocks.web, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 22, Blocks.air, 0, 3);
@@ -628,7 +629,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 23, Blocks.wooden_door, 0, 3);
@@ -640,10 +641,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 23, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 23, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 24, ModBlocks.pole_top, 2, 3);
 		world.setBlock(x + 4, y + 0, z + 24, ModBlocks.pole_top, 2, 3);
 		world.setBlock(x + 5, y + 0, z + 24, ModBlocks.deco_steel, 0, 3);
@@ -653,30 +654,30 @@ public class Radio01 extends WorldGenerator
         WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(2), (TileEntityChest)world.getTileEntity(x + 7, y + 0, z + 24), 8);
 		world.setBlock(x + 8, y + 0, z + 24, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 24, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 0, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 1, Blocks.air, 0, 3);
@@ -686,8 +687,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 1, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 2, Blocks.air, 0, 3);
@@ -697,8 +698,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 3, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 3, Blocks.air, 0, 3);
@@ -708,52 +709,52 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 4, Blocks.stone_stairs, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 4, Blocks.stone_stairs, 5, 3);
 		world.setBlock(x + 6, y + 1, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 8, y + 1, z + 4, Blocks.wooden_door, 8, 3);
-		world.setBlock(x + 9, y + 1, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 9, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 1, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 6, ModBlocks.tape_recorder, 3, 3);
 		world.setBlock(x + 6, y + 1, z + 6, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 7, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 7, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 7, ModBlocks.tape_recorder, 5, 3);
 		world.setBlock(x + 4, y + 1, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 8, ModBlocks.tape_recorder, 5, 3);
@@ -763,52 +764,52 @@ public class Radio01 extends WorldGenerator
 		//world.setBlock(x + 7, y + 1, z + 8, Blocks.wooden_door, 8, 3);
 		world.setBlock(x + 8, y + 1, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 9, ModBlocks.tape_recorder, 5, 3);
 		world.setBlock(x + 4, y + 1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 11, ModBlocks.deco_titanium, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 11, ModBlocks.deco_titanium, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 11, ModBlocks.steel_poles, 5, 3);
 		world.setBlock(x + 4, y + 1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 12, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 13, ModBlocks.deco_tungsten, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 13, ModBlocks.deco_tungsten, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 13, ModBlocks.deco_tungsten, 0, 3);
@@ -818,30 +819,30 @@ public class Radio01 extends WorldGenerator
 		//world.setBlock(x + 7, y + 1, z + 13, Blocks.iron_door, 8, 3);
 		world.setBlock(x + 8, y + 1, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 14, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 14, Blocks.web, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 16, Blocks.air, 0, 3);
@@ -851,7 +852,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 16, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + 1, z + 17, Blocks.iron_door, 8, 3);
 		world.setBlock(x + 1, y + 1, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 17, Blocks.air, 0, 3);
@@ -862,7 +863,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 17, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 0, y + 1, z + 18, Blocks.iron_door, 9, 3);
 		world.setBlock(x + 1, y + 1, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 18, Blocks.air, 0, 3);
@@ -873,8 +874,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 19, Blocks.air, 0, 3);
@@ -884,21 +885,21 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 19, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 1, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 4, y + 1, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 5, y + 1, z + 21, ModBlocks.steel_poles, 3, 3);
@@ -906,10 +907,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 21, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 8, y + 1, z + 21, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 1, z + 21, ModBlocks.tape_recorder, 4, 3);
-		world.setBlock(x + 10, y + 1, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 22, Blocks.air, 0, 3);
@@ -917,7 +918,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 23, Blocks.air, 0, 3);
 		//world.setBlock(x + 2, y + 1, z + 23, Blocks.wooden_door, 8, 3);
@@ -928,10 +929,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 23, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 23, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 24, ModBlocks.deco_steel, 0, 3);
@@ -939,30 +940,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 24, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 24, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 1, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 1, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 2, z + 0, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 0, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 4, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 2, z + 0, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 0, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 9, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 9, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 1, Blocks.air, 0, 3);
@@ -972,7 +973,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 1, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 2, Blocks.air, 0, 3);
@@ -995,39 +996,39 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 2, z + 3, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 3, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 4, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 4, Blocks.stone_stairs, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 4, Blocks.stone_stairs, 5, 3);
-		world.setBlock(x + 7, y + 2, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 2, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 2, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 2, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 5, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 5, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 6, Blocks.web, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 6, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 6, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 7, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 7, Blocks.web, 0, 3);
@@ -1035,7 +1036,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 4, y + 2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 7, Blocks.glass_pane, 0, 3);
@@ -1046,43 +1047,43 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 4, y + 2, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 8, Blocks.web, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 8, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 11, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 11, ModBlocks.steel_poles, 5, 3);
 		world.setBlock(x + 4, y + 2, z + 11, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 11, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 12, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 12, Blocks.air, 0, 3);
@@ -1090,7 +1091,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 4, y + 2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 12, Blocks.glass_pane, 0, 3);
@@ -1101,33 +1102,33 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 4, y + 2, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 13, Blocks.web, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 13, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 14, Blocks.web, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 7, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 16, Blocks.air, 0, 3);
@@ -1137,8 +1138,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 16, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 17, Blocks.air, 0, 3);
@@ -1149,7 +1150,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 2, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 17, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 18, Blocks.air, 0, 3);
@@ -1160,7 +1161,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 2, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 18, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 18, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 19, Blocks.air, 0, 3);
@@ -1170,21 +1171,21 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 19, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 2, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 4, y + 2, z + 21, ModBlocks.steel_poles, 3, 3);
 		world.setBlock(x + 5, y + 2, z + 21, Blocks.air, 0, 3);
@@ -1192,10 +1193,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 22, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 22, Blocks.air, 0, 3);
@@ -1206,7 +1207,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 10, y + 2, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 23, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 23, Blocks.air, 0, 3);
@@ -1217,7 +1218,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 10, y + 2, z + 23, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 24, Blocks.web, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 24, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 24, Blocks.web, 0, 3);
@@ -1225,30 +1226,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 2, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 2, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 2, z + 25, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 2, z + 25, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 2, z + 25, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 25, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 6, y + 2, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 2, z + 25, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 6, y + 2, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 2, z + 25, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 2, z + 25, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 25, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 3, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
@@ -1258,8 +1259,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 1, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
@@ -1269,8 +1270,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 2, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
@@ -1280,8 +1281,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 3, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 4, Blocks.air, 0, 3);
@@ -1291,8 +1292,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 4, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
@@ -1302,8 +1303,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 5, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
@@ -1313,8 +1314,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 6, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
@@ -1324,8 +1325,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 7, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
@@ -1335,8 +1336,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 8, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
@@ -1346,8 +1347,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 9, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
@@ -1357,8 +1358,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 10, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
@@ -1368,8 +1369,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 11, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
@@ -1379,8 +1380,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 12, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
@@ -1390,8 +1391,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 13, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
@@ -1401,8 +1402,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 14, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
@@ -1412,8 +1413,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 15, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
@@ -1423,8 +1424,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 16, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
@@ -1434,8 +1435,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 17, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
@@ -1445,8 +1446,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 18, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
@@ -1456,21 +1457,21 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 19, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 3, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 3, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
@@ -1478,10 +1479,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 21, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 3, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
@@ -1489,10 +1490,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 22, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 23, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 3, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
@@ -1500,10 +1501,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 23, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 3, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 4, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
@@ -1511,30 +1512,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 3, z + 24, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 3, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 3, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 3, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 3, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 3, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 1, Blocks.stone_stairs, 0, 3);
@@ -1544,8 +1545,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 1, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 2, Blocks.air, 0, 3);
@@ -1555,8 +1556,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 2, Blocks.web, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 2, Blocks.oak_stairs, 7, 3);
 		world.setBlock(x + 9, y + 4, z + 2, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 3, Blocks.air, 0, 3);
@@ -1566,8 +1567,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 3, Blocks.oak_stairs, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 4, Blocks.air, 0, 3);
@@ -1577,22 +1578,22 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 4, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
 
 		generate_r02(world, rand, x, y, z);
 		return true;
@@ -1609,8 +1610,8 @@ public class Radio01 extends WorldGenerator
         WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(1), (TileEntityChest)world.getTileEntity(x + 7, y + 4, z + 6), 8);
 		world.setBlock(x + 8, y + 4, z + 6, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 6, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 7, Blocks.iron_door, 0, 3);
@@ -1621,52 +1622,52 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 7, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 4, z + 7, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 8, Blocks.oak_stairs, 2, 3);
 		world.setBlock(x + 7, y + 4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 8, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 9, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 9, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 12, Blocks.air, 0, 3);
 		//world.setBlock(x + 3, y + 4, z + 12, Blocks.air, 0, 3);
@@ -1677,11 +1678,11 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 12, Blocks.oak_stairs, 3, 3);
 		world.setBlock(x + 9, y + 4, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 13, Blocks.air, 0, 3);
         //ItemDoor.placeDoorBlock(world, x + 4, y + 4, z + 13, 2, Blocks.iron_door);
 		world.setBlock(x + 5, y + 4, z + 13, Blocks.air, 0, 3);
@@ -1689,11 +1690,11 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 14, Blocks.chest, 2, 3);
 		world.setBlockMetadataWithNotify(x + 4, y + 4, z + 14, 5, 3);
         WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(1), (TileEntityChest)world.getTileEntity(x + 4, y + 4, z + 14), 8);
@@ -1702,31 +1703,31 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 14, Blocks.oak_stairs, 5, 3);
 		world.setBlock(x + 8, y + 4, z + 14, Blocks.oak_stairs, 4, 3);
 		world.setBlock(x + 9, y + 4, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 4, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 4, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 4, z + 16, Blocks.wooden_door, 5, 3);
         ItemDoor.placeDoorBlock(world, x + 2, y + 4, z + 16, 5, Blocks.wooden_door);
-		world.setBlock(x + 3, y + 4, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 4, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 4, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 4, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 7, y + 4, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 17, Blocks.air, 0, 3);
@@ -1736,8 +1737,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 17, Blocks.oak_stairs, 7, 3);
 		world.setBlock(x + 8, y + 4, z + 17, Blocks.oak_stairs, 7, 3);
 		world.setBlock(x + 9, y + 4, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 18, Blocks.air, 0, 3);
@@ -1747,8 +1748,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 18, Blocks.oak_stairs, 6, 3);
 		world.setBlock(x + 8, y + 4, z + 18, Blocks.oak_stairs, 6, 3);
 		world.setBlock(x + 9, y + 4, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 4, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 4, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 3, y + 4, z + 19, Blocks.air, 0, 3);
@@ -1758,22 +1759,22 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 19, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 4, z + 20, Blocks.iron_door, 3, 3);
         ItemDoor.placeDoorBlock(world, x + 5, y + 4, z + 20, 3, Blocks.iron_door);
-		world.setBlock(x + 6, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 6, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 4, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 4, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 4, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 4, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 21, Blocks.air, 0, 3);
@@ -1781,10 +1782,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 21, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 21, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 21, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 4, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 4, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 4, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 4, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 22, Blocks.air, 0, 3);
@@ -1792,10 +1793,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 22, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 22, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 22, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 22, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 4, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 4, z + 23, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 4, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 4, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 23, Blocks.air, 0, 3);
@@ -1803,10 +1804,10 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 23, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 4, z + 23, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 23, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 23, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 4, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 4, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 4, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 4, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 4, y + 4, z + 24, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 24, Blocks.air, 0, 3);
@@ -1814,30 +1815,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 4, z + 24, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 8, y + 4, z + 24, ModBlocks.tape_recorder, 2, 3);
 		world.setBlock(x + 9, y + 4, z + 24, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 24, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 4, z + 24, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 4, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 4, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 2, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 4, z + 25, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 2, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 4, z + 25, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 5, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 1, Blocks.air, 0, 3);
@@ -1847,8 +1848,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 1, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 2, Blocks.air, 0, 3);
@@ -1858,8 +1859,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 2, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 2, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 3, Blocks.air, 0, 3);
@@ -1869,8 +1870,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 3, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 4, Blocks.air, 0, 3);
@@ -1880,30 +1881,30 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 4, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 5, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 6, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 5, z + 6, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 7, Blocks.air, 0, 3);
 		//world.setBlock(x + 3, y + 5, z + 7, Blocks.iron_door, 8, 3);
@@ -1913,52 +1914,52 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 7, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 5, z + 7, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 8, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 8, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 9, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 5, z + 9, ModBlocks.deco_steel, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 11, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 12, Blocks.air, 0, 3);
 		//world.setBlock(x + 3, y + 5, z + 12, Blocks.air, 0, 3);
@@ -1968,52 +1969,52 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 14, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 5, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 5, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 5, z + 16, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 2, y + 5, z + 16, Blocks.wooden_door, 8, 3);
-		world.setBlock(x + 3, y + 5, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 5, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 5, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 5, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 5, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 17, Blocks.air, 0, 3);
@@ -2023,8 +2024,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 17, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 17, Blocks.flower_pot, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 18, Blocks.air, 0, 3);
@@ -2034,8 +2035,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 18, ModBlocks.tape_recorder, 4, 3);
 		world.setBlock(x + 9, y + 5, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 5, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 5, z + 19, Blocks.air, 0, 3);
@@ -2045,18 +2046,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 5, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 5, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 19, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 5, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 5, y + 5, z + 20, Blocks.iron_door, 8, 3);
-		world.setBlock(x + 6, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 5, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 6, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 5, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 5, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 5, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 5, z + 21, Blocks.air, 0, 3);
@@ -2112,18 +2113,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 5, z + 25, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 5, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 6, z + 0, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 0, Blocks.air, 0, 3);
-		world.setBlock(x + 4, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 4, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 6, z + 0, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 0, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 9, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 9, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 6, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 1, Blocks.air, 0, 3);
@@ -2133,7 +2134,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 6, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 1, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 1, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 6, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 2, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 2, Blocks.air, 0, 3);
@@ -2156,7 +2157,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 6, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 3, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 3, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 6, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 4, Blocks.air, 0, 3);
@@ -2166,33 +2167,33 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 6, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 4, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 5, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 5, Blocks.web, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 6, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 6, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 6, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 6, z + 7, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 7, Blocks.air, 0, 3);
@@ -2203,7 +2204,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 0, y + 6, z + 8, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 8, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 8, Blocks.air, 0, 3);
@@ -2211,43 +2212,43 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 8, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 9, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 10, Blocks.web, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 11, Blocks.web, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 11, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 11, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 6, z + 12, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 12, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 12, Blocks.air, 0, 3);
@@ -2258,7 +2259,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 0, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 13, Blocks.air, 0, 3);
@@ -2266,39 +2267,39 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 13, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 14, Blocks.web, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 15, Blocks.web, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 6, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 6, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 6, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 3, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 6, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 6, z + 16, Blocks.web, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 6, y + 6, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 6, z + 17, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 17, Blocks.air, 0, 3);
@@ -2321,7 +2322,7 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 6, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 18, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 18, Blocks.glass_pane, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 6, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 6, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 19, Blocks.air, 0, 3);
@@ -2331,18 +2332,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 6, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 19, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 19, Blocks.web, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 6, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 6, z + 20, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 6, z + 20, Blocks.air, 0, 3);
-		world.setBlock(x + 4, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 4, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 6, z + 20, Blocks.glass_pane, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 20, Blocks.air, 0, 3);
-		world.setBlock(x + 9, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 6, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 9, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 6, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 6, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 6, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 6, z + 21, Blocks.air, 0, 3);
@@ -2398,18 +2399,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 6, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 6, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 6, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 7, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 1, Blocks.air, 0, 3);
@@ -2419,8 +2420,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 1, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 1, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
@@ -2430,8 +2431,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 2, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
@@ -2441,8 +2442,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 3, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
@@ -2452,8 +2453,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 4, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
@@ -2463,8 +2464,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 5, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
@@ -2474,8 +2475,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 6, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
@@ -2485,8 +2486,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 7, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
@@ -2496,8 +2497,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 8, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
@@ -2507,8 +2508,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 9, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
@@ -2518,8 +2519,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 10, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
@@ -2529,8 +2530,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 11, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
@@ -2540,8 +2541,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 12, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
@@ -2551,8 +2552,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 13, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
@@ -2562,8 +2563,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 14, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
@@ -2573,8 +2574,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 15, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
@@ -2584,8 +2585,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 16, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
@@ -2595,8 +2596,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 17, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
@@ -2606,8 +2607,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 18, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 3, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
@@ -2617,18 +2618,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 8, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 19, ModBlocks.brick_light, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 7, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 7, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 7, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 7, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 7, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 7, z + 21, Blocks.air, 0, 3);
@@ -2684,18 +2685,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 8, y + 7, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 7, z + 25, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 7, z + 25, Blocks.air, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 0, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 1, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 0, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 8, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 1, Blocks.air, 0, 3);
@@ -2705,8 +2706,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 1, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 1, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 1, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 2, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 2, Blocks.air, 0, 3);
@@ -2716,8 +2717,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 2, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 3, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 3, Blocks.air, 0, 3);
@@ -2727,8 +2728,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 3, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 4, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 4, Blocks.air, 0, 3);
@@ -2738,8 +2739,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 4, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 5, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 5, Blocks.air, 0, 3);
@@ -2749,8 +2750,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 5, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 6, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 6, Blocks.air, 0, 3);
@@ -2760,8 +2761,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 6, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 7, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 7, Blocks.air, 0, 3);
@@ -2771,8 +2772,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 7, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 8, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 8, Blocks.air, 0, 3);
@@ -2782,8 +2783,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 8, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 9, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 9, Blocks.air, 0, 3);
@@ -2793,8 +2794,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 9, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 10, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 10, Blocks.air, 0, 3);
@@ -2804,8 +2805,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 10, ModBlocks.deco_steel, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 10, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 11, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 11, Blocks.air, 0, 3);
@@ -2822,8 +2823,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 11, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 12, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 12, Blocks.air, 0, 3);
@@ -2833,8 +2834,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 12, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 13, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 13, Blocks.air, 0, 3);
@@ -2844,8 +2845,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 13, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 14, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 14, Blocks.air, 0, 3);
@@ -2855,8 +2856,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 14, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 14, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 14, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 15, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 15, Blocks.air, 0, 3);
@@ -2866,8 +2867,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 15, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 16, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 16, Blocks.air, 0, 3);
@@ -2877,8 +2878,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 16, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 17, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 17, Blocks.air, 0, 3);
@@ -2888,8 +2889,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 17, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 18, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 18, Blocks.air, 0, 3);
@@ -2899,8 +2900,8 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 18, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 19, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 19, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 8, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + 8, z + 19, Blocks.air, 0, 3);
@@ -2910,18 +2911,18 @@ public class Radio01 extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 8, z + 19, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 8, z + 19, Blocks.air, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 19, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 0, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 1, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 2, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 3, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 4, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 5, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 6, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 7, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 8, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 9, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
-		world.setBlock(x + 10, y + 8, z + 20, ModBlocks.brick_concrete, 0, 3);
+		world.setBlock(x + 10, y + 8, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 8, z + 20, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 8, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 1, y + 8, z + 21, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + 8, z + 21, Blocks.air, 0, 3);
diff --git a/com/hbm/world/Relay.java b/com/hbm/world/Relay.java
index 952a57911..25b2c5f66 100644
--- a/com/hbm/world/Relay.java
+++ b/com/hbm/world/Relay.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 import com.hbm.tileentity.machine.TileEntityCrateIron;
 
@@ -22,7 +23,6 @@ public class Relay extends WorldGenerator
 {
 	Block Block1 = ModBlocks.reinforced_brick;
 	Block Block2 = ModBlocks.deco_steel;
-	Block Block3 = ModBlocks.brick_concrete;
 	Block Block4 = ModBlocks.steel_scaffold;
 	Block Block5 = ModBlocks.reinforced_glass;
 	Block Block6 = ModBlocks.deco_beryllium;
@@ -416,15 +416,15 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 8, y + -2, z + 15, Block1, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 15, Block1, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 0, Block1, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 0, Block1, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 0, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 6, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -1, z + 0, Block1, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 0, Block1, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 0, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + -1, z + 1, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 1, Block1, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 1, Block1, 0, 3);
@@ -479,9 +479,9 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 8, y + -1, z + 6, Block2, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 6, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 0, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 7, Block1, 0, 3);
-		world.setBlock(x + 2, y + -1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 2, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + -1, z + 7, Block1, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 7, Block1, 0, 3);
 		world.setBlock(x + 5, y + -1, z + 7, Block1, 0, 3);
@@ -489,7 +489,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 7, Block1, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 7, Block1, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 7, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + -1, z + 8, Block1, 0, 3);
 		world.setBlock(x + 1, y + -1, z + 8, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 8, Block1, 0, 3);
@@ -500,60 +500,60 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + -1, z + 8, Block1, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 8, Block1, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 8, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 8, Block3, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + -1, z + 9, Block1, 0, 3);
 		world.setBlock(x + 1, y + -1, z + 9, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 9, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 9, Block1, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 9, Block3, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 9, Block3, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 9, Block3, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 9, Block3, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 9, Block3, 0, 3);
+		world.setBlock(x + 4, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -1, z + 9, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 9, Block1, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 10, Block3, 0, 3);
+		world.setBlock(x + 0, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 10, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 10, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 10, Block3, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 10, Block3, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 10, Block3, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 10, Block3, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 10, Block3, 0, 3);
+		world.setBlock(x + 4, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -1, z + 10, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 10, Block1, 0, 3);
 		world.setBlock(x + 0, y + -1, z + 11, Block1, 0, 3);
 		world.setBlock(x + 1, y + -1, z + 11, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 11, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 11, Block3, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 11, Block3, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 11, Block3, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 11, Block3, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 11, Block3, 0, 3);
+		world.setBlock(x + 4, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -1, z + 11, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 12, Block3, 0, 3);
+		world.setBlock(x + 0, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 12, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 12, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 12, Block3, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 12, Block3, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 12, Block3, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 12, Block3, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 12, Block3, 0, 3);
+		world.setBlock(x + 4, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -1, z + 12, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 12, Block1, 0, 3);
 		world.setBlock(x + 0, y + -1, z + 13, Block1, 0, 3);
 		world.setBlock(x + 1, y + -1, z + 13, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 13, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 4, y + -1, z + 13, Block3, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 13, Block3, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 13, Block3, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 13, Block3, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 13, Block3, 0, 3);
+		world.setBlock(x + 4, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -1, z + 13, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 13, Block1, 0, 3);
 		world.setBlock(x + 0, y + -1, z + 14, Block1, 0, 3);
@@ -567,26 +567,26 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 8, y + -1, z + 14, Block1, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 14, Block1, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 0, y + -1, z + 15, Block3, 0, 3);
+		world.setBlock(x + 0, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 2, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 3, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 4, y + -1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 15, Block3, 0, 3);
+		world.setBlock(x + 5, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 7, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 15, Block1, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 15, Block3, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 0, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 0, Block3, 0, 3);
+		world.setBlock(x + 6, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 0, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 0, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 0, z + 1, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 1, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 2, Blocks.iron_bars, 0, 3);
@@ -620,16 +620,16 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 6, y + 0, z + 6, ModBlocks.red_wire_coated, 0, 3);
 		world.setBlock(x + 7, y + 0, z + 6, Block4, 2, 3);
 		world.setBlock(x + 10, y + 0, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 7, Block3, 0, 3);
+		world.setBlock(x + 0, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 7, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 2, y + 0, z + 7, Block3, 0, 3);
+		world.setBlock(x + 2, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 0, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 7, Block2, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 7, Block2, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 7, ModBlocks.red_wire_coated, 0, 3);
 		world.setBlock(x + 7, y + 0, z + 7, ModBlocks.red_wire_coated, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 7, ModBlocks.red_wire_coated, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 7, Block3, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 8, Block2, 0, 3);
@@ -637,7 +637,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 6, y + 0, z + 8, Block2, 0, 3);
 		world.setBlock(x + 7, y + 0, z + 8, Block2, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 8, ModBlocks.red_wire_coated, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 8, Block3, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 0, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 9, Blocks.brick_block, 0, 3);
@@ -645,7 +645,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 9, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 10, Block3, 0, 3);
+		world.setBlock(x + 0, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 0, z + 10, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 6, y + 0, z + 10, ModBlocks.crate_iron, 0, 3);
 		world.setBlockMetadataWithNotify(x + 6, y + 0, z + 10, 3, 3);
@@ -657,7 +657,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 0, z + 11, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 11, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 11, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 12, Block3, 0, 3);
+		world.setBlock(x + 0, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 4, y + 0, z + 12, Blocks.iron_door, 0, 3);
         ItemDoor.placeDoorBlock(world, x + 4, y + 0, z + 12, 0, Blocks.iron_door);
 		world.setBlock(x + 7, y + 0, z + 12, Blocks.brick_block, 0, 3);
@@ -672,26 +672,26 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 10, y + 0, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 0, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 0, z + 15, Block3, 0, 3);
+		world.setBlock(x + 0, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 2, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 3, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 0, z + 15, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 15, Block3, 0, 3);
+		world.setBlock(x + 5, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 15, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 15, Block3, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 0, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 6, y + 1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 6, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 1, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 0, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 0, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 1, z + 1, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 1, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 2, Blocks.iron_bars, 0, 3);
@@ -725,15 +725,15 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 6, y + 1, z + 6, Block2, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 6, Block4, 2, 3);
 		world.setBlock(x + 10, y + 1, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 7, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 2, y + 1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 2, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 1, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 7, Block2, 0, 3);
 		world.setBlock(x + 6, y + 1, z + 7, Block2, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 7, Block2, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 7, Block2, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 7, Block3, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 8, Blocks.iron_bars, 0, 3);
@@ -741,7 +741,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 6, y + 1, z + 8, Block2, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 8, Block2, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 8, ModBlocks.red_wire_coated, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 8, Block3, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 0, y + 1, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 9, Blocks.brick_block, 0, 3);
@@ -749,7 +749,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 9, ModBlocks.red_wire_coated, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 9, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 10, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 1, z + 10, Block5, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 10, ModBlocks.machine_battery, 4, 3);
 		world.setBlock(x + 8, y + 1, z + 10, ModBlocks.red_wire_coated, 0, 3);
@@ -758,7 +758,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 1, z + 11, ModBlocks.machine_battery, 4, 3);
 		world.setBlock(x + 8, y + 1, z + 11, ModBlocks.red_wire_coated, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 11, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 12, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
 		//world.setBlock(x + 4, y + 1, z + 12, Blocks.iron_door, 8, 3);
 		world.setBlock(x + 7, y + 1, z + 12, ModBlocks.machine_battery, 4, 3);
 		world.setBlock(x + 8, y + 1, z + 12, ModBlocks.red_wire_coated, 0, 3);
@@ -772,18 +772,18 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 10, y + 1, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 0, y + 1, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 0, y + 1, z + 15, Block3, 0, 3);
+		world.setBlock(x + 0, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 2, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 3, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 4, y + 1, z + 15, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 5, y + 1, z + 15, Block3, 0, 3);
+		world.setBlock(x + 5, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 8, y + 1, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 15, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 10, y + 1, z + 15, Block3, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + 1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 4, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
@@ -791,7 +791,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 0, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 0, Block3, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 0, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 2, y + 2, z + 1, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 1, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 2, ModBlocks.barbed_wire, 0, 3);
@@ -825,9 +825,9 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 6, y + 2, z + 6, Block2, 0, 3);
 		world.setBlock(x + 7, y + 2, z + 6, Block4, 2, 3);
 		world.setBlock(x + 10, y + 2, z + 6, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 7, Block3, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 7, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 2, y + 2, z + 7, Block3, 0, 3);
+		world.setBlock(x + 2, y + 2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 3, y + 2, z + 7, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 7, Block2, 0, 3);
 		world.setBlock(x + 7, y + 2, z + 7, Block2, 0, 3);
@@ -848,7 +848,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 9, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 9, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 10, Block3, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 2, z + 10, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 10, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 10, Blocks.brick_block, 0, 3);
@@ -861,7 +861,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 11, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 11, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 11, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 12, Block3, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 4, y + 2, z + 12, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 12, Blocks.brick_block, 0, 3);
 		world.setBlock(x + 6, y + 2, z + 12, Blocks.brick_block, 0, 3);
@@ -877,7 +877,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 10, y + 2, z + 13, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 0, y + 2, z + 14, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 10, y + 2, z + 14, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 0, y + 2, z + 15, Block3, 0, 3);
+		world.setBlock(x + 0, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 2, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 3, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
@@ -887,7 +887,7 @@ public class Relay extends WorldGenerator
 		world.setBlock(x + 7, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 8, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
 		world.setBlock(x + 9, y + 2, z + 15, ModBlocks.barbed_wire, 0, 3);
-		world.setBlock(x + 10, y + 2, z + 15, Block3, 0, 3);
+		world.setBlock(x + 10, y + 2, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 3, z + 2, Block4, 3, 3);
 		world.setBlock(x + 6, y + 3, z + 2, Block2, 0, 3);
 		world.setBlock(x + 7, y + 3, z + 2, Block4, 3, 3);
diff --git a/com/hbm/world/Satellite.java b/com/hbm/world/Satellite.java
index 50c9e365d..c4f7072f2 100644
--- a/com/hbm/world/Satellite.java
+++ b/com/hbm/world/Satellite.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 
 import net.minecraft.block.Block;
@@ -18,7 +19,6 @@ import net.minecraft.world.gen.feature.WorldGenerator;
 
 public class Satellite extends WorldGenerator
 {
-	Block Block1 = ModBlocks.brick_concrete;
 	Block Block2 = ModBlocks.deco_steel;
 	Block Block3 = ModBlocks.steel_scaffold;
 	Block Block4 = ModBlocks.deco_beryllium;
@@ -88,232 +88,232 @@ public class Satellite extends WorldGenerator
 			return false;
 		}
 
-		world.setBlock(x + 18, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 17, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 21, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 16, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 22, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 16, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 22, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 22, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 21, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 15, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 16, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 17, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 18, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 28, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 29, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 18, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 19, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 20, y + -3, z + 30, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 17, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 21, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 16, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 22, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 16, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 22, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 22, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 21, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 15, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 16, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 18, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -3, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 17, Block2, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 17, Block1, 0, 3);
+		world.setBlock(x + 8, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + -2, z + 17, Block2, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 17, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 18, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 28, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 29, Block1, 0, 3);
+		world.setBlock(x + 20, y + -2, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 29, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 29, Block2, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 29, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 29, Block1, 0, 3);
+		world.setBlock(x + 8, y + -2, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 29, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + -2, z + 29, Block2, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 29, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 18, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 19, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 20, y + -2, z + 30, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 8, Block1, 0, 3);
-		world.setBlock(x + 13, y + -1, z + 8, Block1, 0, 3);
+		world.setBlock(x + 20, y + -2, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -2, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + -1, z + 8, Block2, 0, 3);
 		world.setBlock(x + 22, y + -1, z + 8, Block2, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 9, Block1, 0, 3);
+		world.setBlock(x + 18, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + -1, z + 9, Block2, 0, 3);
 		world.setBlock(x + 22, y + -1, z + 9, Block2, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 22, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 17, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 21, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 15, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 16, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 17, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 22, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -1, z + 17, Block2, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 17, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 17, Block1, 0, 3);
+		world.setBlock(x + 8, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + -1, z + 17, Block2, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 17, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 18, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 23, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 28, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 29, Block1, 0, 3);
+		world.setBlock(x + 20, y + -1, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 23, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 28, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 29, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -1, z + 29, Block2, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 29, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 29, Block1, 0, 3);
+		world.setBlock(x + 8, y + -1, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 29, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + -1, z + 29, Block2, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 29, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 30, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 30, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 30, Block1, 0, 3);
-		world.setBlock(x + 18, y + -1, z + 30, Block1, 0, 3);
-		world.setBlock(x + 19, y + -1, z + 30, Block1, 0, 3);
-		world.setBlock(x + 20, y + -1, z + 30, Block1, 0, 3);
+		world.setBlock(x + 20, y + -1, z + 29, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -1, z + 30, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 0, z + 8, Block3, 3, 3);
 		world.setBlock(x + 13, y + 0, z + 8, Block3, 3, 3);
 		world.setBlock(x + 19, y + 0, z + 8, Block2, 0, 3);
@@ -322,27 +322,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 22, y + 0, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 19, y + 0, z + 9, Block2, 0, 3);
 		world.setBlock(x + 20, y + 0, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 0, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 0, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 0, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 0, z + 23, Block3, 5, 3);
@@ -357,27 +357,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 21, y + 1, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 17, y + 1, z + 9, Block2, 0, 3);
 		world.setBlock(x + 18, y + 1, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 1, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 1, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 1, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 1, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 1, z + 23, Block3, 5, 3);
@@ -392,27 +392,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 19, y + 2, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 2, z + 9, Block2, 0, 3);
 		world.setBlock(x + 16, y + 2, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 2, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 2, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 2, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 2, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 2, z + 23, Block3, 5, 3);
@@ -426,27 +426,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 17, y + 3, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 13, y + 3, z + 9, Block2, 0, 3);
 		world.setBlock(x + 14, y + 3, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 3, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 3, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 3, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 3, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 3, z + 23, Block3, 5, 3);
@@ -460,27 +460,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 15, y + 4, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 11, y + 4, z + 9, Block2, 0, 3);
 		world.setBlock(x + 12, y + 4, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 4, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 4, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 4, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 4, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 4, z + 23, Block3, 5, 3);
@@ -494,27 +494,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 13, y + 5, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + 5, z + 9, Block2, 0, 3);
 		world.setBlock(x + 10, y + 5, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 5, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 5, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 5, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 5, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 5, z + 23, Block3, 5, 3);
@@ -528,27 +528,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 11, y + 6, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 6, z + 9, Block2, 0, 3);
 		world.setBlock(x + 8, y + 6, z + 9, Block2, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 6, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 6, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 6, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 6, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 6, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 6, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 6, z + 23, Block3, 5, 3);
@@ -563,35 +563,35 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 6, y + 7, z + 9, Block2, 0, 3);
 		world.setBlock(x + 5, y + 7, z + 10, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 10, Block2, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 11, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 11, Block2, 0, 3);
-		world.setBlock(x + 17, y + 7, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 7, z + 11, Block1, 0, 3);
+		world.setBlock(x + 17, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 7, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 12, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 12, Block2, 0, 3);
-		world.setBlock(x + 17, y + 7, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 7, z + 12, Block1, 0, 3);
+		world.setBlock(x + 17, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 7, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 13, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 13, Block2, 0, 3);
-		world.setBlock(x + 17, y + 7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 7, z + 13, Block1, 0, 3);
+		world.setBlock(x + 17, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 7, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 14, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 14, Block2, 0, 3);
-		world.setBlock(x + 18, y + 7, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 7, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 7, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 7, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 7, z + 15, Block2, 0, 3);
 		world.setBlock(x + 6, y + 7, z + 15, Block2, 0, 3);
 		world.setBlock(x + 5, y + 7, z + 16, Block2, 0, 3);
@@ -606,31 +606,31 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 7, y + 8, z + 8, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 10, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 11, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 8, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 8, z + 11, Block1, 0, 3);
+		world.setBlock(x + 17, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 8, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 12, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 8, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 8, z + 12, Block1, 0, 3);
+		world.setBlock(x + 17, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 8, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 13, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 8, z + 13, Block1, 0, 3);
+		world.setBlock(x + 17, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 8, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 18, y + 8, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 8, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 8, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 8, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 8, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 8, z + 17, Block2, 0, 3);
@@ -642,27 +642,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 5, y + 8, z + 23, Block3, 5, 3);
 		world.setBlock(x + 7, y + 8, z + 29, Block4, 0, 3);
 		world.setBlock(x + 19, y + 8, z + 29, Block4, 0, 3);
-		world.setBlock(x + 18, y + 9, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 9, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 9, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 9, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 9, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 9, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 9, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 9, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 9, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 9, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 9, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 9, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 5, y + 9, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 5, y + 9, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 7, y + 9, z + 17, Block4, 0, 3);
@@ -675,27 +675,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 5, y + 9, z + 23, Block3, 5, 3);
 		world.setBlock(x + 7, y + 9, z + 29, Block4, 0, 3);
 		world.setBlock(x + 19, y + 9, z + 29, Block4, 0, 3);
-		world.setBlock(x + 18, y + 10, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 10, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 10, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 10, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 10, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 10, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 10, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 10, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 10, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 10, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 10, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 10, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 10, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 10, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 10, z + 18, Blocks.iron_bars, 0, 3);
@@ -708,27 +708,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 5, y + 10, z + 23, Block3, 5, 3);
 		world.setBlock(x + 7, y + 10, z + 29, Block4, 0, 3);
 		world.setBlock(x + 19, y + 10, z + 29, Block4, 0, 3);
-		world.setBlock(x + 18, y + 11, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 11, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 11, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 11, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 11, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 11, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 11, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 11, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 11, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 11, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 11, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 11, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 11, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 11, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 11, z + 20, Blocks.iron_bars, 0, 3);
@@ -740,27 +740,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 6, y + 11, z + 24, Block2, 0, 3);
 		world.setBlock(x + 7, y + 11, z + 29, Block4, 0, 3);
 		world.setBlock(x + 19, y + 11, z + 29, Block4, 0, 3);
-		world.setBlock(x + 18, y + 12, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 12, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 12, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 12, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 12, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 12, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 12, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 12, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 12, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 12, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 12, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 12, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 12, z + 17, Block4, 0, 3);
 		world.setBlock(x + 19, y + 12, z + 17, Block4, 0, 3);
 		world.setBlock(x + 5, y + 12, z + 22, Blocks.iron_bars, 0, 3);
@@ -772,27 +772,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 6, y + 12, z + 26, Block2, 0, 3);
 		world.setBlock(x + 7, y + 12, z + 29, Block4, 0, 3);
 		world.setBlock(x + 19, y + 12, z + 29, Block4, 0, 3);
-		world.setBlock(x + 18, y + 13, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 13, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 13, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 13, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 13, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 13, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 13, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 13, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 13, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 13, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 13, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 13, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 13, z + 17, Block5, 0, 3);
 		world.setBlock(x + 19, y + 13, z + 17, Block5, 0, 3);
 		world.setBlock(x + 7, y + 13, z + 18, Block5, 0, 3);
@@ -953,27 +953,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 19, y + 13, z + 28, Block5, 0, 3);
 		world.setBlock(x + 7, y + 13, z + 29, Block5, 0, 3);
 		world.setBlock(x + 19, y + 13, z + 29, Block5, 0, 3);
-		world.setBlock(x + 18, y + 14, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 14, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 14, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 14, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 14, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 14, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 14, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 14, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 14, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 14, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 14, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 14, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 14, z + 18, Block2, 0, 3);
 		world.setBlock(x + 8, y + 14, z + 18, Block2, 0, 3);
 		world.setBlock(x + 9, y + 14, z + 18, Block2, 0, 3);
@@ -1036,27 +1036,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 17, y + 14, z + 28, Block2, 0, 3);
 		world.setBlock(x + 18, y + 14, z + 28, Block2, 0, 3);
 		world.setBlock(x + 19, y + 14, z + 28, Block2, 0, 3);
-		world.setBlock(x + 18, y + 15, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 15, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 15, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 15, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 15, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 15, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 15, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 15, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 15, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 15, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 15, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 15, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 15, z + 18, Block2, 0, 3);
 		world.setBlock(x + 8, y + 15, z + 18, Block2, 0, 3);
 		world.setBlock(x + 9, y + 15, z + 18, Block4, 0, 3);
@@ -1104,27 +1104,27 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 17, y + 15, z + 28, Block4, 0, 3);
 		world.setBlock(x + 18, y + 15, z + 28, Block2, 0, 3);
 		world.setBlock(x + 19, y + 15, z + 28, Block2, 0, 3);
-		world.setBlock(x + 18, y + 16, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 16, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 16, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 16, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 16, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 16, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 16, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 16, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 16, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 16, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 16, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 16, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 16, z + 17, Block2, 0, 3);
 		world.setBlock(x + 20, y + 16, z + 17, Block2, 0, 3);
 		world.setBlock(x + 21, y + 16, z + 17, Block2, 0, 3);
@@ -1192,45 +1192,45 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 15, y + 17, z + 10, Block2, 0, 3);
 		world.setBlock(x + 16, y + 17, z + 10, Block2, 0, 3);
 		world.setBlock(x + 17, y + 17, z + 10, Block2, 0, 3);
-		world.setBlock(x + 18, y + 17, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 17, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 17, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + 17, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 17, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 17, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 17, z + 10, Block2, 0, 3);
 		world.setBlock(x + 22, y + 17, z + 10, Block2, 0, 3);
 		world.setBlock(x + 23, y + 17, z + 10, Block2, 0, 3);
 		world.setBlock(x + 15, y + 17, z + 11, Block2, 0, 3);
 		world.setBlock(x + 16, y + 17, z + 11, Block2, 0, 3);
-		world.setBlock(x + 17, y + 17, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 17, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 17, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 17, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 17, z + 11, Block1, 0, 3);
+		world.setBlock(x + 17, y + 17, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 17, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 17, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 17, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 17, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 17, z + 11, Block2, 0, 3);
 		world.setBlock(x + 23, y + 17, z + 11, Block2, 0, 3);
 		world.setBlock(x + 15, y + 17, z + 12, Block2, 0, 3);
 		world.setBlock(x + 16, y + 17, z + 12, Block2, 0, 3);
-		world.setBlock(x + 17, y + 17, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 17, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 17, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 17, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 17, z + 12, Block1, 0, 3);
+		world.setBlock(x + 17, y + 17, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 17, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 17, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 17, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 17, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 17, z + 12, Block2, 0, 3);
 		world.setBlock(x + 23, y + 17, z + 12, Block2, 0, 3);
 		world.setBlock(x + 15, y + 17, z + 13, Block2, 0, 3);
 		world.setBlock(x + 16, y + 17, z + 13, Block2, 0, 3);
-		world.setBlock(x + 17, y + 17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 17, z + 13, Block1, 0, 3);
+		world.setBlock(x + 17, y + 17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 17, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 22, y + 17, z + 13, Block2, 0, 3);
 		world.setBlock(x + 23, y + 17, z + 13, Block2, 0, 3);
 		world.setBlock(x + 15, y + 17, z + 14, Block2, 0, 3);
 		world.setBlock(x + 16, y + 17, z + 14, Block2, 0, 3);
 		world.setBlock(x + 17, y + 17, z + 14, Block2, 0, 3);
-		world.setBlock(x + 18, y + 17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 17, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 17, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 17, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 17, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 21, y + 17, z + 14, Block2, 0, 3);
 		world.setBlock(x + 22, y + 17, z + 14, Block2, 0, 3);
 		world.setBlock(x + 23, y + 17, z + 14, Block2, 0, 3);
@@ -1383,35 +1383,35 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 22, y + 18, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 23, y + 18, z + 9, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 10, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 18, y + 18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 18, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + 18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 18, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 23, y + 18, z + 10, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 11, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 18, z + 11, Block1, 0, 3);
+		world.setBlock(x + 17, y + 18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 18, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 23, y + 18, z + 11, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 12, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + 18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + 18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 18, z + 12, Block1, 0, 3);
+		world.setBlock(x + 17, y + 18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 18, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 23, y + 18, z + 12, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 13, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 17, y + 18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 18, z + 13, Block1, 0, 3);
+		world.setBlock(x + 17, y + 18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 18, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 23, y + 18, z + 13, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 18, y + 18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 18, z + 14, Block1, 0, 3);
+		world.setBlock(x + 18, y + 18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 18, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 23, y + 18, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 15, y + 18, z + 15, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 16, y + 18, z + 15, Blocks.iron_bars, 0, 3);
@@ -1425,29 +1425,29 @@ public class Satellite extends WorldGenerator
 		world.setBlock(x + 22, y + 18, z + 16, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 19, y + 18, z + 17, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 21, y + 18, z + 17, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 18, y + 19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + 19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + 19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + 19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + 19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + 19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + 19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 21, y + 19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + 19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + 19, z + 12, Block1, 0, 3);
+		world.setBlock(x + 18, y + 19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 19, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + 19, z + 12, Blocks.chest, 4, 3);
 		world.setBlockMetadataWithNotify(x + 19, y + 19, z + 12, 4, 3);
         WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(3), (TileEntityChest)world.getTileEntity(x + 19, y + 19, z + 12), 12);
-		world.setBlock(x + 20, y + 19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 21, y + 19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + 19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 19, y + 19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 20, y + 19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 21, y + 19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 18, y + 19, z + 14, Block1, 0, 3);
-		world.setBlock(x + 19, y + 19, z + 14, Block1, 0, 3);
-		world.setBlock(x + 20, y + 19, z + 14, Block1, 0, 3);
+		world.setBlock(x + 20, y + 19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + 19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 21, y + 19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + 19, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + 19, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + 19, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 18, y + 20, z + 10, Block2, 0, 3);
 		world.setBlock(x + 19, y + 20, z + 10, Block2, 0, 3);
 		world.setBlock(x + 20, y + 20, z + 10, Block2, 0, 3);
diff --git a/com/hbm/world/Silo.java b/com/hbm/world/Silo.java
index 85312ba32..739d4d3a8 100644
--- a/com/hbm/world/Silo.java
+++ b/com/hbm/world/Silo.java
@@ -6,6 +6,7 @@ import java.util.Random;
 
 import com.hbm.blocks.ModBlocks;
 import com.hbm.lib.HbmChestContents;
+import com.hbm.lib.Library;
 import com.hbm.main.MainRegistry;
 
 import net.minecraft.block.Block;
@@ -18,7 +19,6 @@ import net.minecraft.world.gen.feature.WorldGenerator;
 
 public class Silo extends WorldGenerator
 {
-	Block Block1 = ModBlocks.brick_concrete;
 	Block Block2 = ModBlocks.launch_pad;
 	Block Block3 = ModBlocks.reinforced_light;
 	Block Block4 = ModBlocks.tape_recorder;
@@ -87,265 +87,265 @@ public class Silo extends WorldGenerator
 			return false;
 		}
 
-		world.setBlock(x + 7, y + -21, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 2, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 7, Block1, 0, 3);
-		world.setBlock(x + 0, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 1, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 2, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 3, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 4, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 16, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 17, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 18, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 19, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 20, y + -21, z + 8, Block1, 0, 3);
-		world.setBlock(x + 0, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 1, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 2, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 3, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 4, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 16, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 17, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 18, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -21, z + 9, Block1, 0, 3);
-		world.setBlock(x + 0, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 1, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 2, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 3, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 4, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 16, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 18, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -21, z + 10, Block1, 0, 3);
-		world.setBlock(x + 0, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 1, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 2, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 3, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 4, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 16, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -21, z + 11, Block1, 0, 3);
-		world.setBlock(x + 0, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 1, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 2, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 3, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 4, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 13, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 14, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 15, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -21, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -21, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 15, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 15, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 15, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 16, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 16, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 16, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 17, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 17, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 17, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 17, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 18, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 18, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 18, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -21, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -21, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -21, z + 19, Block1, 0, 3);
-		world.setBlock(x + 10, y + -21, z + 19, Block1, 0, 3);
-		world.setBlock(x + 11, y + -21, z + 19, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -20, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -20, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -20, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 2, Block1, 0, 3);
+		world.setBlock(x + 7, y + -21, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -21, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -21, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -21, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -21, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -21, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -21, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -21, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -21, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -21, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -21, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -21, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -20, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -20, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -20, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -20, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -20, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -20, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -20, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -20, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -20, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 12, y + -20, z + 5, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 14, y + -20, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -20, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 6, Block1, 0, 3);
+		world.setBlock(x + 14, y + -20, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -20, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 6, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 6, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 6, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 12, y + -20, z + 6, Blocks.unpowered_repeater, 2, 3);
-		world.setBlock(x + 13, y + -20, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -20, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -20, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -20, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 7, Block1, 0, 3);
+		world.setBlock(x + 13, y + -20, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -20, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -20, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -20, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -20, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -20, z + 7, Block1, 0, 3);
-		world.setBlock(x + 0, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 1, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 2, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 3, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 4, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 6, y + -20, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -20, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -20, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -20, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -20, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -20, z + 8, Blocks.unpowered_repeater, 2, 3);
-		world.setBlock(x + 13, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 14, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 15, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 16, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 17, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 18, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 19, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 20, y + -20, z + 8, Block1, 0, 3);
-		world.setBlock(x + 0, y + -20, z + 9, Block1, 0, 3);
+		world.setBlock(x + 13, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -20, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -20, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -20, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -20, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -20, z + 9, Blocks.air, 0, 3);
@@ -363,10 +363,10 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -20, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -20, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -20, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -20, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -20, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -20, z + 9, Block1, 0, 3);
-		world.setBlock(x + 0, y + -20, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + -20, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -20, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -20, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -20, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -20, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -20, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -20, z + 10, Blocks.air, 0, 3);
@@ -384,15 +384,15 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -20, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -20, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -20, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -20, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + -20, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 19, y + -20, z + 10, Blocks.chest, 5, 3);
 		world.setBlockMetadataWithNotify(x + 19, y + -20, z + 10, 5, 3);
 		if(world.getBlock(x + 19, y + -20, z + 10) == Blocks.chest)
 		{
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(3), (TileEntityChest)world.getTileEntity(x + 19, y + -20, z + 10), rand.nextInt(2)+ 6);
 		}
-        world.setBlock(x + 20, y + -20, z + 10, Block1, 0, 3);
-		world.setBlock(x + 0, y + -20, z + 11, Block1, 0, 3);
+        world.setBlock(x + 20, y + -20, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -20, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -20, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -20, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -20, z + 11, Blocks.air, 0, 3);
@@ -410,135 +410,135 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -20, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -20, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -20, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -20, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -20, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -20, z + 11, Block1, 0, 3);
-		world.setBlock(x + 0, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 1, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 2, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 3, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 4, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -20, z + 12, Block1, 0, 3);
+		world.setBlock(x + 18, y + -20, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -20, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -20, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -20, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -20, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -20, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 13, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 14, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 15, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -20, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -20, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -20, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -20, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -20, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 14, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -20, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 15, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 16, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 17, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 18, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -20, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -20, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -20, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -20, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -20, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -20, z + 19, Block1, 0, 3);
-		world.setBlock(x + 10, y + -20, z + 19, Block1, 0, 3);
-		world.setBlock(x + 11, y + -20, z + 19, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -19, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -19, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -19, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 2, Block1, 0, 3);
+		world.setBlock(x + 11, y + -20, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -20, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -20, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -20, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -20, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -20, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -19, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -19, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -19, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -19, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -19, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -19, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -19, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -19, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 5, Block1, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -19, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 14, y + -19, z + 5, Blocks.redstone_wire, 15, 3);
-		world.setBlock(x + 15, y + -19, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 6, Block1, 0, 3);
+		world.setBlock(x + 15, y + -19, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 6, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 6, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 6, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -19, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -19, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -19, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -19, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -19, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -19, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -19, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 7, Block1, 0, 3);
-		world.setBlock(x + 0, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 1, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 2, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 3, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 4, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 6, y + -19, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -19, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -19, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -19, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -19, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -19, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 14, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 15, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 16, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 17, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 18, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 19, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 20, y + -19, z + 8, Block1, 0, 3);
-		world.setBlock(x + 0, y + -19, z + 9, Block1, 0, 3);
+		world.setBlock(x + 13, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -19, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -19, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -19, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -19, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -19, z + 9, Blocks.air, 0, 3);
@@ -556,10 +556,10 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -19, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -19, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -19, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -19, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -19, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -19, z + 9, Block1, 0, 3);
-		world.setBlock(x + 0, y + -19, z + 10, Block1, 0, 3);
+		world.setBlock(x + 18, y + -19, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -19, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -19, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -19, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -19, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -19, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -19, z + 10, Blocks.air, 0, 3);
@@ -577,10 +577,10 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -19, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -19, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -19, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -19, z + 10, Block1, 0, 3);
-		world.setBlock(x + 0, y + -19, z + 11, Block1, 0, 3);
+		world.setBlock(x + 18, y + -19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -19, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -19, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 1, y + -19, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 2, y + -19, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 3, y + -19, z + 11, Blocks.air, 0, 3);
@@ -598,140 +598,140 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 15, y + -19, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 16, y + -19, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 17, y + -19, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 18, y + -19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -19, z + 11, Block1, 0, 3);
-		world.setBlock(x + 0, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 1, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 2, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 3, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 4, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -19, z + 12, Block1, 0, 3);
+		world.setBlock(x + 18, y + -19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -19, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -19, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -19, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -19, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 13, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 14, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 15, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -19, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -19, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -19, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 14, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -19, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 14, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 14, Blocks.iron_bars, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 14, Blocks.iron_bars, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 15, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 15, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 15, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 16, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 16, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 16, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 16, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 17, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 17, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 17, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 17, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 18, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 18, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -19, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -19, z + 18, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -19, z + 18, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -19, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -19, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -19, z + 19, Block1, 0, 3);
-		world.setBlock(x + 10, y + -19, z + 19, Block1, 0, 3);
-		world.setBlock(x + 11, y + -19, z + 19, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 2, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -19, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -19, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -19, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -19, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -19, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -19, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 12, y + -18, z + 5, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -18, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 7, Block1, 0, 3);
+		world.setBlock(x + 14, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -18, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -18, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 7, Block1, 0, 3);
-		world.setBlock(x + 0, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 1, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 2, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 3, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 4, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 6, y + -18, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -18, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -18, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -18, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -18, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -18, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -18, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -18, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 16, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 17, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 18, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 19, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 20, y + -18, z + 8, Block1, 0, 3);
-		world.setBlock(x + 0, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 1, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 2, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 3, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 4, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -18, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -18, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -18, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -18, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -18, z + 9, Blocks.air, 0, 3);
@@ -739,20 +739,20 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -18, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -18, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -18, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 16, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 17, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 18, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 19, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 20, y + -18, z + 9, Block1, 0, 3);
-		world.setBlock(x + 0, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 1, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 2, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 3, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 4, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -18, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -18, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -18, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -18, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -18, z + 10, Blocks.air, 0, 3);
@@ -760,20 +760,20 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -18, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -18, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -18, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 16, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 17, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 18, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 19, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 20, y + -18, z + 10, Block1, 0, 3);
-		world.setBlock(x + 0, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 1, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 2, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 3, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 4, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + -18, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -18, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -18, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -18, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -18, z + 11, Blocks.air, 0, 3);
@@ -781,78 +781,78 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -18, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -18, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -18, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 16, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 17, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 18, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 19, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 20, y + -18, z + 11, Block1, 0, 3);
-		world.setBlock(x + 0, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 1, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 2, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 3, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 4, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -18, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -18, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 0, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 1, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 2, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 3, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -18, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -18, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -18, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -18, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -18, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 13, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 14, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 15, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 16, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 17, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 18, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 19, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 20, y + -18, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 16, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 17, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 18, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 19, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 20, y + -18, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -18, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -18, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -18, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -18, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 15, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 15, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 15, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 15, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 16, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 16, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 16, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 16, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 16, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 17, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 17, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 17, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 17, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 17, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 18, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 18, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 18, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 18, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 18, Block1, 0, 3);
-		world.setBlock(x + 7, y + -18, z + 19, Block1, 0, 3);
-		world.setBlock(x + 8, y + -18, z + 19, Block1, 0, 3);
-		world.setBlock(x + 9, y + -18, z + 19, Block1, 0, 3);
-		world.setBlock(x + 10, y + -18, z + 19, Block1, 0, 3);
-		world.setBlock(x + 11, y + -18, z + 19, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -17, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -17, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -17, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 2, Block1, 0, 3);
+		world.setBlock(x + 11, y + -18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -18, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 16, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 17, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 18, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -18, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -18, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -18, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -18, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -18, z + 19, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -17, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -17, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -17, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -17, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 2, Blocks.chest, 3, 3);
 		world.setBlockMetadataWithNotify(x + 8, y + -17, z + 2, 3, 3);
 		if(world.getBlock(x + 8, y + -17, z + 2) == Blocks.chest)
@@ -860,51 +860,51 @@ public class Silo extends WorldGenerator
 			WeightedRandomChestContent.generateChestContents(rand, HbmChestContents.getLoot(7), (TileEntityChest)world.getTileEntity(x + 8, y + -17, z + 2), rand.nextInt(2)+ 6);
 		}
         world.setBlock(x + 10, y + -17, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -17, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -17, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -17, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -17, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 5, Block1, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -17, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 14, y + -17, z + 5, Blocks.redstone_wire, 15, 3);
-		world.setBlock(x + 15, y + -17, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 6, Block1, 0, 3);
+		world.setBlock(x + 15, y + -17, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -17, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -17, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -17, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -17, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -17, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -17, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -17, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -17, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -17, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -17, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -17, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -17, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -17, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -17, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -17, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -17, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -17, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -17, z + 9, Blocks.air, 0, 3);
@@ -912,8 +912,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -17, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -17, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -17, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -17, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -17, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -17, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -17, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -17, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -17, z + 10, Blocks.air, 0, 3);
@@ -921,8 +921,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -17, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -17, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -17, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -17, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -17, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -17, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -17, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -17, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -17, z + 11, Blocks.air, 0, 3);
@@ -930,79 +930,79 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -17, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -17, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -17, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -17, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -17, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -17, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -17, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -17, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -17, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -17, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -17, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -17, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -17, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -17, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -17, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -17, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -17, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -16, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -16, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -16, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 2, Block1, 0, 3);
+		world.setBlock(x + 11, y + -17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -17, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -17, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -17, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -17, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -16, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -16, z + 4, Block3, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 4, Block3, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -16, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -16, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -16, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 5, Block1, 0, 3);
+		world.setBlock(x + 12, y + -16, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -16, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -16, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -16, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 12, y + -16, z + 5, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 14, y + -16, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -16, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 6, Block1, 0, 3);
+		world.setBlock(x + 14, y + -16, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -16, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -16, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -16, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -16, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -16, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -16, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -16, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -16, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -16, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -16, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -16, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -16, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -16, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -16, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -16, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -16, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 9, Blocks.air, 0, 3);
@@ -1010,8 +1010,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -16, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -16, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -16, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -16, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -16, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -16, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -16, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -16, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 10, Blocks.air, 0, 3);
@@ -1019,8 +1019,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -16, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -16, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -16, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -16, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -16, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -16, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -16, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -16, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 11, Blocks.air, 0, 3);
@@ -1028,79 +1028,79 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -16, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -16, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -16, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -16, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -16, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -16, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -16, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -16, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -16, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -16, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -16, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -16, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -16, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -16, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -16, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -16, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -16, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -16, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -16, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -15, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -16, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -16, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -16, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -16, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -15, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + -15, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 2, Block1, 0, 3);
+		world.setBlock(x + 10, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -15, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -15, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -15, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -15, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -15, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 5, Block1, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -15, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 14, y + -15, z + 5, Blocks.redstone_wire, 15, 3);
-		world.setBlock(x + 15, y + -15, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 6, Block1, 0, 3);
+		world.setBlock(x + 15, y + -15, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 6, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 6, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -15, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -15, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -15, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -15, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -15, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -15, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -15, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -15, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -15, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -15, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -15, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -15, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -15, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -15, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -15, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -15, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -15, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -15, z + 9, Blocks.air, 0, 3);
@@ -1108,8 +1108,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -15, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -15, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -15, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -15, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -15, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -15, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -15, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -15, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -15, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -15, z + 10, Blocks.air, 0, 3);
@@ -1117,8 +1117,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -15, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -15, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -15, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -15, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -15, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -15, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -15, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -15, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -15, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -15, z + 11, Blocks.air, 0, 3);
@@ -1126,80 +1126,80 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -15, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -15, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -15, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -15, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -15, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -15, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -15, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -15, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -15, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -15, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -15, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -15, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -15, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -15, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -15, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -15, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -15, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -15, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -15, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -15, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -14, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -15, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -15, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -15, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -15, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -14, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -14, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -14, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -14, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 11, y + -14, z + 5, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 12, y + -14, z + 5, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 13, y + -14, z + 5, Blocks.stone_slab, 8, 3);
-		world.setBlock(x + 14, y + -14, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -14, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -14, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -14, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 7, Block1, 0, 3);
+		world.setBlock(x + 14, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -14, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -14, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -14, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -14, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -14, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -14, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -14, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -14, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -14, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -14, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -14, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -14, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -14, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -14, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -14, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -14, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -14, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -14, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -14, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -14, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -14, z + 9, Blocks.air, 0, 3);
@@ -1207,8 +1207,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -14, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -14, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -14, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -14, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -14, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -14, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -14, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -14, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -14, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -14, z + 10, Blocks.air, 0, 3);
@@ -1216,8 +1216,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -14, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -14, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -14, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -14, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -14, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -14, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -14, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -14, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -14, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -14, z + 11, Blocks.air, 0, 3);
@@ -1225,79 +1225,79 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -14, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -14, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -14, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -14, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -14, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -14, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -14, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -14, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -14, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -14, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -14, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -14, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -14, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -14, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -14, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -14, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -14, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -14, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -14, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -14, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -14, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -14, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -13, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -13, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -13, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -14, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -14, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -14, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -14, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -13, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -13, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -13, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -13, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 10, y + -13, z + 5, Blocks.redstone_wire, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 5, Blocks.stone_slab, 8, 3);
-		world.setBlock(x + 12, y + -13, z + 5, Block1, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 5, Block1, 0, 3);
-		world.setBlock(x + 14, y + -13, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -13, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -13, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -13, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 7, Block1, 0, 3);
+		world.setBlock(x + 12, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -13, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -13, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -13, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -13, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -13, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -13, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -13, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -13, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -13, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -13, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -13, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -13, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -13, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -13, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -13, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -13, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -13, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -13, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -13, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -13, z + 9, Blocks.air, 0, 3);
@@ -1305,8 +1305,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -13, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -13, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -13, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -13, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -13, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -13, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -13, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -13, z + 10, Blocks.air, 0, 3);
@@ -1314,8 +1314,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -13, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -13, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -13, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -13, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -13, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -13, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -13, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -13, z + 11, Blocks.air, 0, 3);
@@ -1323,80 +1323,80 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -13, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -13, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -13, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -13, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -13, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -13, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -13, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -13, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -13, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -13, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -13, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -13, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -13, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -13, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -13, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -13, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -13, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -13, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -13, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -13, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -13, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -13, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -13, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -13, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -13, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -12, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -12, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 14, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 15, y + -12, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 5, Block1, 0, 3);
+		world.setBlock(x + 10, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -12, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -12, z + 5, Blocks.redstone_wire, 15, 3);
 		world.setBlock(x + 9, y + -12, z + 5, Blocks.stone_slab, 8, 3);
-		world.setBlock(x + 10, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 14, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 15, y + -12, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 14, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 15, y + -12, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -12, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 7, Block1, 0, 3);
+		world.setBlock(x + 10, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -12, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 15, y + -12, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -12, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -12, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -12, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -12, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -12, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -12, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -12, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -12, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -12, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -12, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -12, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -12, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -12, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -12, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -12, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -12, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -12, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -12, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -12, z + 9, Blocks.air, 0, 3);
@@ -1404,8 +1404,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -12, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -12, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -12, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -12, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -12, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -12, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -12, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -12, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -12, z + 10, Blocks.air, 0, 3);
@@ -1413,8 +1413,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -12, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -12, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -12, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -12, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -12, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -12, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -12, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -12, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -12, z + 11, Blocks.air, 0, 3);
@@ -1422,66 +1422,66 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -12, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -12, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -12, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -12, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -12, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -12, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -12, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -12, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -12, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -12, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -12, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -12, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -12, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -12, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -12, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -12, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -12, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -12, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -12, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -12, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -12, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -12, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -11, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -11, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -11, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -11, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -11, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -12, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -12, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -12, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -12, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -11, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -11, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -11, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -11, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -11, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -11, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -11, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -11, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -11, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -11, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -11, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -11, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -11, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -11, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -11, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -11, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -11, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -11, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -11, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -11, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -11, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -11, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -11, z + 9, Blocks.air, 0, 3);
@@ -1489,8 +1489,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -11, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -11, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -11, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -11, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -11, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -11, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -11, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -11, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -11, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -11, z + 10, Blocks.air, 0, 3);
@@ -1498,8 +1498,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -11, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -11, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -11, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -11, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -11, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -11, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -11, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -11, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -11, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -11, z + 11, Blocks.air, 0, 3);
@@ -1507,67 +1507,67 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -11, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -11, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -11, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -11, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -11, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -11, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -11, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -11, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -11, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -11, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -11, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -11, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -11, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -11, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -11, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -11, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -11, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -11, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -11, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -11, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -11, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -11, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -11, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -10, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -10, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -10, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -11, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -11, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -11, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -11, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -10, z + 5, Blocks.redstone_wire, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -10, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -10, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 7, Block1, 0, 3);
+		world.setBlock(x + 10, y + -10, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -10, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -10, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -10, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -10, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -10, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -10, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -10, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -10, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -10, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -10, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -10, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -10, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -10, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -10, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -10, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -10, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -10, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -10, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -10, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -10, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -10, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -10, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -10, z + 9, Blocks.air, 0, 3);
@@ -1583,8 +1583,8 @@ public class Silo extends WorldGenerator
 
 		world.setBlock(x + 11, y + -10, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -10, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -10, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -10, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -10, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -10, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -10, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -10, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -10, z + 10, Blocks.air, 0, 3);
@@ -1592,8 +1592,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -10, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -10, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -10, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -10, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -10, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -10, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -10, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -10, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -10, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -10, z + 11, Blocks.air, 0, 3);
@@ -1601,42 +1601,42 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -10, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -10, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -10, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -10, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -10, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -10, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -10, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -10, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -10, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -10, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -10, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -10, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -10, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -10, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -10, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -10, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -10, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -10, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -10, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -10, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -10, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -10, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -10, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -9, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -10, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -10, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -10, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -10, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -9, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + -9, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 2, Block1, 0, 3);
+		world.setBlock(x + 10, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -9, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -9, z + 2, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -9, z + 3, Blocks.stone_stairs, 3, 3);
-		world.setBlock(x + 11, y + -9, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -9, z + 4, Blocks.web, 0, 3);
 		world.setBlock(x + 9, y + -9, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -9, z + 5, Blocks.chest, 2, 3);
 		world.setBlockMetadataWithNotify(x + 8, y + -9, z + 5, 3, 3);
 		if(world.getBlock(x + 8, y + -9, z + 5) == Blocks.chest)
@@ -1646,27 +1646,27 @@ public class Silo extends WorldGenerator
         world.setBlock(x + 8, y + -10, z + 5, Blocks.stone_slab, 8, 3);
 		world.setBlock(x + 9, y + -9, z + 5, Blocks.planks, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 5, Block4, 2, 3);
-		world.setBlock(x + 11, y + -9, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -9, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -9, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -9, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -9, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -9, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -9, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -9, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -9, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -9, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -9, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -9, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -9, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -9, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -9, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -9, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -9, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -9, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -9, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -9, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -9, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -9, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -9, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -9, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -9, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -9, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -9, z + 9, Blocks.air, 0, 3);
@@ -1674,8 +1674,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -9, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -9, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -9, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -9, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -9, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -9, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -9, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -9, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -9, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -9, z + 10, Blocks.air, 0, 3);
@@ -1683,8 +1683,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -9, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -9, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -9, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -9, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -9, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -9, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -9, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -9, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -9, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -9, z + 11, Blocks.air, 0, 3);
@@ -1692,67 +1692,67 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -9, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -9, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -9, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -9, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -9, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -9, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -9, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -9, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -9, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -9, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -9, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -9, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -9, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -9, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -9, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -9, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -9, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -9, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -9, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -9, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -9, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -9, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -8, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -8, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -8, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 2, Block1, 0, 3);
+		world.setBlock(x + 11, y + -9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -9, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -9, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -9, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -9, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -8, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 2, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -8, z + 4, Block3, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 4, Block3, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 5, Block1, 0, 3);
+		world.setBlock(x + 7, y + -8, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 5, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 6, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 6, Block5, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 6, Block5, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 6, Block5, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -8, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -8, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -8, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -8, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -8, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -8, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -8, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -8, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -8, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -8, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 9, Blocks.air, 0, 3);
@@ -1760,8 +1760,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -8, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -8, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -8, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -8, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -8, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 10, Blocks.air, 0, 3);
@@ -1769,8 +1769,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -8, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -8, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -8, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -8, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -8, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 11, Blocks.air, 0, 3);
@@ -1778,68 +1778,68 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -8, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -8, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -8, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -8, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -8, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -8, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -8, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -8, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -8, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -8, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -8, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -8, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -8, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -8, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -8, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -8, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -7, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -7, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -7, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 2, Block1, 0, 3);
+		world.setBlock(x + 11, y + -8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -8, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -8, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -7, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 2, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 2, Blocks.web, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 2, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 3, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 3, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 3, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 3, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 4, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 4, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 4, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 4, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 5, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 5, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 5, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 5, Blocks.web, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 6, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 6, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 6, Block5, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 6, Block5, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 6, Block5, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -7, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -7, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -7, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -7, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -7, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -7, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -7, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -7, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -7, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -7, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -7, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -7, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -7, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -7, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -7, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -7, z + 9, Blocks.air, 0, 3);
@@ -1847,8 +1847,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -7, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -7, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -7, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -7, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -7, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -7, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -7, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -7, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -7, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -7, z + 10, Blocks.air, 0, 3);
@@ -1856,8 +1856,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -7, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -7, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -7, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -7, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -7, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -7, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -7, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -7, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -7, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -7, z + 11, Blocks.air, 0, 3);
@@ -1865,68 +1865,68 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -7, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -7, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -7, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -7, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -7, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -7, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -7, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -7, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -7, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -7, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -7, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -7, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -7, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -7, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -7, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -7, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -7, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -7, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -7, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -7, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -7, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -7, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -7, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -6, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -6, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + -6, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + -6, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 5, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -6, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 7, Block1, 0, 3);
+		world.setBlock(x + 10, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + -6, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -6, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -6, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -6, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -6, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -6, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -6, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -6, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -6, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -6, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -6, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -6, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -6, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -6, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -6, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -6, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -6, z + 9, Blocks.air, 0, 3);
@@ -1934,8 +1934,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -6, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -6, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -6, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -6, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -6, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -6, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -6, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -6, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -6, z + 10, Blocks.air, 0, 3);
@@ -1943,8 +1943,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -6, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -6, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -6, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -6, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -6, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -6, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -6, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -6, z + 11, Blocks.air, 0, 3);
@@ -1952,50 +1952,50 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -6, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -6, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -6, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -6, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -6, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -6, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -6, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -6, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -6, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -6, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -6, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -6, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -6, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -6, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -6, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -6, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -6, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -6, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -6, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -6, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -5, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -5, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -5, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -5, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -5, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -5, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -5, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -5, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -5, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -5, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -5, z + 9, Blocks.air, 0, 3);
@@ -2003,8 +2003,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -5, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -5, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -5, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -5, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -5, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -5, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -5, z + 10, Blocks.air, 0, 3);
@@ -2012,8 +2012,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -5, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -5, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -5, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -5, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -5, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -5, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -5, z + 11, Blocks.air, 0, 3);
@@ -2021,50 +2021,50 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -5, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -5, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -5, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -5, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -5, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -5, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -5, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -5, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -5, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -5, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -5, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -5, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -5, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -4, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -4, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -5, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -5, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -4, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -4, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -4, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -4, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -4, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -4, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 9, Blocks.air, 0, 3);
@@ -2072,8 +2072,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -4, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -4, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -4, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -4, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 10, Blocks.air, 0, 3);
@@ -2081,8 +2081,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -4, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -4, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -4, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -4, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -4, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -4, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -4, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 11, Blocks.air, 0, 3);
@@ -2090,50 +2090,50 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -4, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -4, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -4, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -4, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -4, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -4, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -4, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -4, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -4, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -4, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -4, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -4, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -4, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -4, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -4, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + -3, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 7, Block1, 0, 3);
+		world.setBlock(x + 10, y + -3, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -3, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -3, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -3, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -3, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -3, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -3, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -3, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 9, Blocks.air, 0, 3);
@@ -2141,8 +2141,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -3, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -3, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -3, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -3, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -3, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 10, Blocks.air, 0, 3);
@@ -2150,8 +2150,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -3, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -3, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -3, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -3, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -3, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -3, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -3, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -3, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 11, Blocks.air, 0, 3);
@@ -2159,50 +2159,50 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -3, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -3, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -3, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -3, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -3, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -3, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -3, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -3, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -3, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -3, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -3, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -3, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -3, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -3, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -3, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -3, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -3, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -3, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 7, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 7, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -2, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -2, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -2, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 9, Blocks.air, 0, 3);
@@ -2210,8 +2210,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -2, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -2, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -2, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -2, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 10, Blocks.air, 0, 3);
@@ -2219,8 +2219,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -2, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -2, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -2, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -2, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -2, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -2, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 7, y + -2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 11, Blocks.air, 0, 3);
@@ -2228,50 +2228,50 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -2, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -2, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 13, y + -2, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -2, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -2, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -2, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -2, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -2, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -2, z + 13, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -2, z + 13, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -2, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -2, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 1, Block1, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 1, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 6, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 7, Block1, 0, 3);
+		world.setBlock(x + 11, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -2, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -2, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -1, z + 7, Blocks.stone_brick_stairs, 7, 3);
 		world.setBlock(x + 9, y + -1, z + 7, Blocks.stone_brick_stairs, 7, 3);
 		world.setBlock(x + 10, y + -1, z + 7, Blocks.stone_brick_stairs, 7, 3);
-		world.setBlock(x + 11, y + -1, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + -1, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 8, Block1, 0, 3);
+		world.setBlock(x + 11, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -1, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -1, z + 8, Block3, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 8, Block3, 0, 3);
-		world.setBlock(x + 12, y + -1, z + 8, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 9, Block1, 0, 3);
+		world.setBlock(x + 12, y + -1, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -1, z + 9, Blocks.stone_brick_stairs, 5, 3);
 		world.setBlock(x + 7, y + -1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 9, Blocks.air, 0, 3);
@@ -2279,8 +2279,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 9, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 13, y + -1, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 10, Block1, 0, 3);
+		world.setBlock(x + 13, y + -1, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -1, z + 10, Blocks.stone_brick_stairs, 5, 3);
 		world.setBlock(x + 7, y + -1, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 10, Blocks.air, 0, 3);
@@ -2288,8 +2288,8 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -1, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 10, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 13, y + -1, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + -1, z + 11, Block1, 0, 3);
+		world.setBlock(x + 13, y + -1, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 6, y + -1, z + 11, Blocks.stone_brick_stairs, 5, 3);
 		world.setBlock(x + 7, y + -1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 11, Blocks.air, 0, 3);
@@ -2297,139 +2297,139 @@ public class Silo extends WorldGenerator
 		world.setBlock(x + 10, y + -1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 12, y + -1, z + 11, Blocks.stone_brick_stairs, 4, 3);
-		world.setBlock(x + 13, y + -1, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 12, Block1, 0, 3);
+		world.setBlock(x + 13, y + -1, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + -1, z + 12, Block3, 0, 3);
 		world.setBlock(x + 8, y + -1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + -1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + -1, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + -1, z + 12, Block3, 0, 3);
-		world.setBlock(x + 12, y + -1, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + -1, z + 13, Block1, 0, 3);
+		world.setBlock(x + 12, y + -1, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + -1, z + 13, Blocks.stone_brick_stairs, 6, 3);
 		world.setBlock(x + 9, y + -1, z + 13, Blocks.stone_brick_stairs, 6, 3);
 		world.setBlock(x + 10, y + -1, z + 13, Blocks.stone_brick_stairs, 6, 3);
-		world.setBlock(x + 11, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + -1, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + -1, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 0, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 0, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 0, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 0, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 0, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 1, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 1, Block1, 0, 3);
+		world.setBlock(x + 11, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + -1, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + -1, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 0, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 9, y + 0, z + 1, Block3, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 1, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 1, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 2, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 2, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 2, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 2, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 3, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 3, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 3, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 3, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 3, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 4, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 4, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 4, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 4, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 4, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 5, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 5, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 5, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 5, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 5, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 6, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 7, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 8, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 8, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 8, Block1, 0, 3);
+		world.setBlock(x + 10, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 1, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 2, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 3, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 4, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 5, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 6, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 7, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 8, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 8, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 8, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 8, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 8, Block1, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 9, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 9, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 9, Block1, 0, 3);
+		world.setBlock(x + 11, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 8, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 9, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 9, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 9, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 9, Block1, 0, 3);
-		world.setBlock(x + 14, y + 0, z + 9, Block1, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 10, Block1, 0, 3);
+		world.setBlock(x + 12, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + 0, z + 9, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 0, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 10, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 10, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 14, y + 0, z + 10, Block1, 0, 3);
-		world.setBlock(x + 4, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 11, Block1, 0, 3);
+		world.setBlock(x + 12, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + 0, z + 10, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 4, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 7, y + 0, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 8, y + 0, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 11, Blocks.air, 0, 3);
 		world.setBlock(x + 11, y + 0, z + 11, Blocks.air, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 14, y + 0, z + 11, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 12, Block1, 0, 3);
+		world.setBlock(x + 12, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 14, y + 0, z + 11, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 0, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 9, y + 0, z + 12, Blocks.air, 0, 3);
 		world.setBlock(x + 10, y + 0, z + 12, Blocks.air, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 12, Block1, 0, 3);
-		world.setBlock(x + 5, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 13, y + 0, z + 13, Block1, 0, 3);
-		world.setBlock(x + 6, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 7, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 11, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 12, y + 0, z + 14, Block1, 0, 3);
-		world.setBlock(x + 8, y + 0, z + 15, Block1, 0, 3);
-		world.setBlock(x + 9, y + 0, z + 15, Block1, 0, 3);
-		world.setBlock(x + 10, y + 0, z + 15, Block1, 0, 3);
+		world.setBlock(x + 11, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 12, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 5, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 13, y + 0, z + 13, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 6, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 7, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 11, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 12, y + 0, z + 14, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 8, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 9, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
+		world.setBlock(x + 10, y + 0, z + 15, Library.getRandomConcrete(), 0, 3);
 		world.setBlock(x + 8, y + 1, z + 1, Block6, 0, 3);
 		world.setBlock(x + 9, y + 1, z + 1, Block6, 0, 3);
 		world.setBlock(x + 10, y + 1, z + 1, Block6, 0, 3);