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 ~2 ~-3 ~-2 ~8 ~1 ~2 brick_block 0 hollow"},{id:MinecartCommandBlock,Command:"fill ~2 ~-2 ~-2 ~8 ~ ~2 stained_glass 0 replace brick_block"},{id:MinecartCommandBlock,Command:"/tellraw @a [\"\",{\"text\":\"Thanks for using Min