Concrete in vanilla minecraft

summon FallingSand ~ ~+4 ~ {Time:1,Data:0,TileID:152,Riding:{id:FallingSand,Time:1,Block:minecraft:command_block,TileEntityData:{Command:fill ~ ~1 ~-1 ~ ~-5 ~ air},Riding:{id:FallingSand,Time:1,Data:0,TileID:1,Riding:{id:FallingSand,Time:1,Data:0,TileID:152,Riding:{id:FallingSand,Time:1,Block:minecraft:command_block,TileEntityData:{Command:kill @e[type=MinecartCommandBlock,r=4]},Riding:{id:FallingSand,Time:1,Data:0,TileID:1,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~ air,Riding:{id:MinecartCommandBlock,Command:/kill @e[type=Item,r=4],Riding:{id:MinecartCommandBlock,Command:/tellraw @a {text:"Concrete Mod is installing...",color:blue},Riding:{id:MinecartCommandBlock,Command:"setblock ~3 ~0 ~3 minecraft:unpowered_comparator 3 replace {x:-660,y:2,z:1259,id:\"Comparator\",OutputSignal:0}",Riding:{id:MinecartCommandBlock,Command:"setblock ~7 ~0 ~2 minecraft:stone_button 4 replace",Riding:{id:MinecartCommandBlock,Command:buffer,Riding:{id:MinecartCommandBlock,Command:buffer,Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~3 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~4 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~5 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~6 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~7 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~0 ~8 minecraft:redstone_block 0 replace",Riding:{id:MinecartCommandBlock,Command:buffer,Riding:{id:MinecartCommandBlock,Command:buffer,Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~3 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"/fill ~ ~-1 ~5 ~ ~-1 ~ redstone_block\",x:-658,y:3,z:1259,id:\"Control\",SuccessCount:1,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~4 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ summon ArmorStand ~ ~ ~ {CustomName:\\\"Concrete\\\",Invisible:1b,NoGravity:1b}\",x:-658,y:3,z:1260,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~5 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ summon ArmorStand ~ ~ ~1 {CustomName:\\\"Concrete\\\",Invisible:1b}\",x:-658,y:3,z:1261,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~6 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ summon ArmorStand ~ ~ ~-1 {CustomName:\\\"Concrete\\\",Invisible:1b}\",x:-658,y:3,z:1262,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~7 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"scoreboard players add @e[name=Concrete,type=ArmorStand] ConTimer 1\",x:-658,y:3,z:1263,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~1 ~8 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"/kill @e[name=Concrete,score_ConTimer_min=81]\",x:-658,y:3,z:1264,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~2 ~0 ~3 minecraft:command_block 0 replace {CustomName:\"@\",Command:\"execute @p ~ ~ ~ /blockdata ~ ~-1 ~ {Items:[{Slot:4b,id:minecraft:spawn_egg,Count:1b,Damage:60s,tag:{display:{Name:\\\"Concrete\\\",Lore:[\\\"Hardens after a while\\\"]}}}]}\",x:-661,y:2,z:1259,id:\"Control\",SuccessCount:1,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~3 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @p ~ ~ ~ /testforblock ~ ~-1 ~ minecraft:dropper -1 {Items:[{Slot:1b,id:minecraft:gravel,Count:1b,Damage:0s},{Slot:4b,id:minecraft:sand,Count:1b,Damage:0s},{Slot:7b,id:minecraft:water_bucket,Count:1b,Damage:0s}]}\",x:-659,y:2,z:1259,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~4 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ setblock ~ ~ ~ flowing_water\",x:-659,y:2,z:1260,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~5 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ summon ArmorStand ~1 ~ ~ {CustomName:\\\"Concrete\\\",Invisible:1b}\",x:-659,y:2,z:1261,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~6 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"execute @e[name=Concrete,type=Silverfish] ~ ~ ~ summon ArmorStand ~-1 ~ ~ {CustomName:\\\"Concrete\\\",Invisible:1b}\",x:-659,y:2,z:1262,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~7 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"tp @e[name=Concrete,type=Silverfish] ~ -200 ~\",x:-659,y:2,z:1263,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~4 ~0 ~8 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"/execute @e[name=Concrete,type=ArmorStand,score_ConTimer_min=80] ~ ~ ~ fill ~5 ~5 ~5 ~-5 ~ ~-5 stone 0 replace water\",x:-659,y:2,z:1264,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~7 ~0 ~3 minecraft:command_block 0 replace {CustomName:\"@\",Command:\"setblock ~-2 ~ ~ redstone_block\",x:-656,y:2,z:1259,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~2 ~-1 ~3 minecraft:snow 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~3 ~-1 ~3 minecraft:snow 0 replace",Riding:{id:MinecartCommandBlock,Command:"setblock ~5 ~-1 ~3 minecraft:command_block 1 replace {CustomName:\"@\",Command:\"/fill ~ ~1 ~5 ~ ~1 ~ stone\",x:-658,y:1,z:1259,id:\"Control\",SuccessCount:1,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:"setblock ~7 ~-1 ~3 minecraft:command_block 0 replace {CustomName:\"@\",Command:\"scoreboard objectives add ConTimer dummy\",x:-656,y:1,z:1259,id:\"Control\",SuccessCount:0,TrackOutput:1b}",Riding:{id:MinecartCommandBlock,Command:buffer,Riding:{id:FallingSand,Time:1,Data:0,TileID:157,Riding:{id:FallingSand,Time:1,Data:0,TileID:152,Riding:{id:Item,Age:5996,Motion:[0.0,0.0,-0.1]}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}