/summon FallingSand ~ ~1 ~ {Block:redstone_block,Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:/fill ~ ~0 ~1 ~ ~-20 ~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 ~ ~ ~-24 ~1 air}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~3 ~-17 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ grass 0 particle happyVillager ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~3 ~-16 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ sand 0 particle smoke ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~4 ~-15 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ sandstone 0 particle smoke ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~4 ~-14 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ stone 0 particle crit ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~5 ~-13 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ dirt 0 particle blockcrack_2 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~5 ~-12 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ planks 0 particle blockcrack_5 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~6 ~-11 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ quartz_block 0 particle blockcrack_155 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~6 ~-10 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ log 0 particle blockcrack_17 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~7 ~-9 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ stonebrick 0 particle blockcrack_98 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~7 ~-8 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ gravel 0 particle blockcrack_13 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~8 ~-7 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ command_block 0 particle blockcrack_137 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~8 ~-6 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ tnt 0 particle blockcrack_46 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~9 ~-5 ~-1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ redstone_block 0 particle blockcrack_152 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:setblock ~9 ~-4 ~1 command_block 0 replace {Command:execute @a ~ ~ ~ detect ~ ~-1 ~ cobblestone 0 particle blockcrack_4 ~ ~ ~ 0 0 0 1 1}},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:gamerule commandBlockOutput false},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:"fill ~2 ~-2 ~ ~9 ~-2 ~ redstone_block"},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:"setblock ~2 ~-1 ~-1 command_block 0 replace {Command:/fill ~ ~ ~1 ~8 ~ ~1 stone 0 replace redstone_block}"},Time:1,Riding:{id:"FallingSand",Block:command_block,TileEntityData:{Command:"setblock ~2 ~ ~1 command_block 0 replace {Command:/fill ~ ~ ~-1 ~8 ~ ~-1 redstone_block 0 replace stone}"},Time:1,Riding:{id:"FallingSand",Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}