Fireflies in Minecraft (1 Command)

/summon FallingSand ~ ~1 ~ {Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~ ~1 ~ ~-22 ~1 redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~2 ~ ~ ~-23 ~1 air},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~3 ~-13 ~ {Block:command_block,Time:1,TileEntityData:{Command:fill ~ ~ ~-1 ~6 ~ ~1 netherrack}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~4 ~-15 ~-1 {Block:netherrack,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @e[type=Bat,name=!Firefly] ~ ~ ~ /summon Bat ~ ~1 ~ {CustomName:"Firefly",CustomNameVisible:1,Equipment:[{},{},{},{},{id:skull,Damage:3,Count:1,tag:{SkullOwner:crolin}}],DropChances:[0.085F,0.085F,0.085F,0.085F,0.0F],Attributes:[{Name:generic.maxHealth,Base:1}],HealF:1,Silent:1}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~5 ~-14 ~-1 {Block:netherrack,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @e[type=Bat,name=Firefly] ~ ~ ~ /particle reddust ~ ~ ~ 0 .25 0 1 3},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~6 ~-13 ~-1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~7 ~-12 ~-1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~8 ~-11 ~-1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~9 ~-10 ~-1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~4 ~-10 ~1 {Block:netherrack,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:/kill @e[type=Bat,name=!Firefly]},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~5 ~-9 ~1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~6 ~-8 ~1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~7 ~-7 ~1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~8 ~-6 ~1 {Block:netherrack,Time:1,}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~9 ~-5 ~1 {Block:netherrack,Time: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 ~3 ~-5 ~ ~9 ~-5 ~ redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~3 ~-4 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~6 ~0 ~1 stone 0 replace redstone_block}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~3 ~-3 ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~6 ~0 ~-1 redstone_block 0 replace stone}},Time:1,Riding:{id:FallingSand,Block:command_block,Time:1,TileEntityData:{Command:setblock ~1 ~-2 ~ wall_sign 4 replace {Text1:"{text:'',clickEvent:{action:run_command,value:\\"/fill ~ ~-1 ~-2 ~9 ~2 ~2 air 0 replace\\"},color:black}",Text2:"{text:'Remove',bold:true,italic:true,color:dark_red}",Text3:"{text:'Fireflies',bold:true,italic:true,color:dark_red}",Text4:"{text:'(WHY?!?!)',italic:true,color:dark_gray}"}},Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~2 ~-1 ~-2 ~10 ~-1 ~2 stained_glass 1 replace netherrack},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~3 ~ ~-1 ~9 ~3 ~1 air 0 replace netherrack},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~2 ~ ~-2 ~10 ~2 ~2 netherrack},Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}