Minecraft 1.10 No Gravity Survival

_-_Must Be In 16w20a Or Higher_-_
paste in to command and activate
Then type /gamemode 0 and begin to play! <3

/summon FallingSand ~ ~1 ~ {Block:command_block,Data:1,TileEntityData:{Command:"/gamerule commandBlockOutput false"},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:"/fill ~1 ~-2 ~-1 ~4 ~0 ~1 minecraft:bedrock 0 hollow"},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:"/setblock ~2 ~-2 ~ minecraft:repeating_command_block 5 replace {auto:1b,Command:/entitydata @e[tag=!BeGravCB] {NoGravity:1b},TrackOutput:0}"},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:/setblock ~3 ~-3 ~ minecraft:chain_command_block 5 replace {auto:1b,Command:/scoreboard players tag @e[tag=!BeGravCB] add BeGravCB,TrackOutput:0}},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:chain_command_block,Data:1,TileEntityData:{Command:"/fill ~ ~-4 ~ ~ ~2 ~ air"},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:command_block,Data:1,TileEntityData:{Command:"/blockdata ~ ~-5 ~ {auto:1b}"},Time:1,DropItem:0,Passengers:[{id:"FallingSand",Block:redstone_block,Data:0,Time:1,DropItem:0}]}]}]}]}]}]}