the best command ever try this out please by jianlewis

/summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:"fill ~89 ~75 ~99 ~93 ~77 ~101 stained_hardened_clay 14 hollow"},{id:MinecartCommandBlock,Command:"fill ~89 ~76 ~99 ~93 ~76 ~101 stained_glass 7 replace stained_hardened_clay"},{id:MinecartCommandBlock,Command:setblock ~88 ~76 ~100 wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"\\\",\\\"color\\\":\\\"black\\\"}",Text2:"{\\\"text\\\":\\\"\\\",\\\"color\\\":\\\"black\\\"}",Text3:"{\\\"text\\\":\\\"\\\",\\\"color\\\":\\\"black\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"color\\\":\\\"black\\\"}"}},{id:MinecartCommandBlock,Command:setblock ~92 ~76 ~100 unpowered_comparator 1},{id:MinecartCommandBlock,Command:setblock ~91 ~76 ~100 hopper 4},{id:MinecartCommandBlock,Command:setblock ~90 ~76 ~100 hopper 5 replace {Items:[{id:minecraft:stone,Count:1}]}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}