Make dogs poop in minecraft with one command block!

/summon FallingSand ~ ~1 ~ {Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~0 ~1 ~ ~-17 ~1 redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~ ~3 ~1 stone},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~ ~4 ~ command_block 0 replace {Command:fill ~ ~2 ~ ~ ~-21 ~1 air}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~1 ~-16 ~2 unpowered_repeater 1"},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~2 ~-15 ~2 command_block 0 1 {Command:/execute @e[type=Wolf] ~ ~ ~ /playsound mob.slime.big @a ~ ~ ~ 20 1} "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/summon Item ~-2 ~-12 ~2 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/summon Item ~ ~-10 ~4 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:" "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~-2 ~-11 ~5 command_block 0 1 {Command:/execute @e[type=ArmorStand,name=poo] ~ ~2 ~ execute @p[r=1] ~ ~ ~ kill @e[type=ArmorStand,name=poo,c=1]} "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~-2 ~-10 ~4 unpowered_comparator 2 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~-2 ~-9 ~3 hopper 2 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~-2 ~-8 ~2 hopper 3 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-7 ~7 command_block 0 1 {Command:/blockdata ~ ~ ~-2 {TransferCooldown:2500}} "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-6 ~6 unpowered_comparator 2 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-5 ~5 hopper 2 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-4 ~4 hopper 3 0 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-3 ~3 unpowered_comparator 0 1 "},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:"/setblock ~ ~-2 ~2 command_block 0 1 {Command:/execute @e[type=Wolf] ~ ~ ~ /summon ArmorStand ~ ~-0.8 ~ {CustomName:poo,Invisible:1,NoGravity:1,Equipment:[{id:dye,Damage:3,Count:1},{},{},{},{}],Pose:{Body:[0f,0f,0f],LeftArm:[0f,0f,0f],RightArm:[90f,90f,90f],LeftLeg:[0f,0f,0f],RightLeg:[0f,0f,0f],Head:[0f,0f,0f]}}} "},Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}