1 Command Block

/summon MinecartCommandBlock ~ ~2 ~-3 {Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/fill ~6 ~7 ~-4 ~7 ~7 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/fill ~7 ~8 ~-4 ~7 ~9 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/fill ~5 ~10 ~-4 ~7 ~10 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/setblock ~6 ~9 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/fill ~4 ~8 ~-4 ~6 ~9 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/fill ~5 ~6 ~-4 ~6 ~6 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/say Done",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/setblock ~-3 ~7 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~-4 ~7 ~-4 ~-4 ~9 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/setblock ~-1 ~8 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~-3 ~10 ~-4 ~-1 ~10 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~-2 ~8 ~-4 ~-2 ~10 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~4 ~5 ~-4 ~5 ~5 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/fill ~2 ~9 ~-4 ~2 ~10 ~-4 minecraft:wool 15",Riding:{id:MinecartCommandBlock,Command:"/setblock ~3 ~8 ~-4 minecraft:wool 15",Riding:{id:MinecartCommandBlock,Command:"/fill ~-3 ~8 ~-4 ~3 ~10 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/fill ~5 ~11 ~-4 ~7 ~12 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/fill ~-2 ~12 ~-4 ~2 ~12 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/fill ~-3 ~11 ~-4 ~5 ~11 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/fill ~-2 ~6 ~-4 ~4 ~7 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/setblock ~-7 ~3 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/fill ~-6 ~4 ~-4 ~-8 ~5 ~-4 minecraft:stained_hardened_clay",Riding:{id:MinecartCommandBlock,Command:"/setblock ~4 ~4 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/setblock ~3 ~5 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/fill ~2 ~7 ~-4 ~6 ~7 ~-4 minecraft:wool 15",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/setblock ~ ~4 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/fill ~-5 ~4 ~-4 ~3 ~5 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/fill ~-4 ~ ~-4 ~-5 ~-1 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~-3 ~ ~-4 ~-4 ~1 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/setblock ~8 ~5 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/setblock ~-1 ~5 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/kill @e[type=!Player,r=0]",Riding:{id:MinecartCommandBlock,Command:"/fill ~7 ~1 ~-4 ~8 ~4 ~-4 minecraft:wool 12",Riding:{id:MinecartCommandBlock,Command:"/fill ~4 ~1 ~-4 ~6 ~3 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/fill ~-1 ~3 ~-4 ~-3 ~3 ~-4 minecraft:wool 14",Riding:{id:MinecartCommandBlock,Command:"/setblock ~1 ~2 ~-4 minecraft:wool 4",Riding:{id:MinecartCommandBlock,Command:"/fill ~-2 ~ ~-4 ~3 ~3 ~-4 minecraft:wool 11",Riding:{id:MinecartCommandBlock,Command:"/setblock ~4 ~3 ~-4 minecraft:wool 4",Riding:{id:FallingSand,TileID:157,Time:1,Riding:{id:FallingSand,TileID:152,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}