One Command Ep1

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:"/scoreboard objectives add jump dummy"},{id:MinecartCommandBlock,Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{\\\"text\\\":\\\"*******************************\\\",\\\"color\\\":\\\"black\\\"}",Text2:"{\\\"text\\\":\\\"destroy\\\",\\\"color\\\":\\\"dark_red\\\",\\\"underlined\\\":true}",Text3:"{\\\"text\\\":\\\"détruire\\\",\\\"color\\\":\\\"red\\\",\\\"underlined\\\":true}",Text4:"{\\\"text\\\":\\\"**********************************\\\",\\\"color\\\":\\\"black\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-1 ~-1 ~7 ~1 ~2 air\\\"}}"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/effect @a minecraft:fire_resistance 99999 1 true"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~1 chain_command_block 4 replace {auto:1,Command:"/effect @a minecraft:resistance 999999 3 true"}},{id:MinecartCommandBlock,Command:setblock ~7 ~-2 ~ chain_command_block 3 replace {auto:1,Command:"/scoreboard players set @a[x=45,y=238,z=104,dx=0,dy=0,dz=0] jump 0"}},{id:MinecartCommandBlock,Command:setblock ~6 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/kill @e[type=Item]"}},{id:MinecartCommandBlock,Command:setblock ~5 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/effect @a[score_jump_min=1] minecraft:speed 1 1 true"}},{id:MinecartCommandBlock,Command:setblock ~4 ~-2 ~ chain_command_block 5 replace {auto:1,Command:"/scoreboard players set @a[x=8,y=237,z=8,dx=0,dy=0,dz=0] jump 1"}},{id:MinecartCommandBlock,Command:setblock ~3 ~-2 ~ repeating_command_block 5 replace {auto:1,Command:"/effect @a minecraft:night_vision 99999 1 true"}},{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]}]}]}]}