Exploding Heads command

/summon FallingSand ~ ~3 ~ {Block:redstone_block,Time:1
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/fill ~ ~1 ~ ~ ~-14 ~1 air}
,Riding:{id:FallingSand,Time:1,Block:redstone_block
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/fill ~ ~ ~1 ~ ~-11 ~1 redstone_block}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~-1 ~-10 ~7 minecraft:command_block 0 replace {Command:/execute @a[score_creephead_min=1,score_jump_min=1] ~ ~ ~ /effect @p resistance 3 125 true}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~-1 ~-9 ~6 minecraft:command_block 0 replace {Command:/scoreboard players set @a creephead 0}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~1 ~-8 ~7 minecraft:command_block 0 replace {Command:/execute @a[score_creephead_min=1,score_jump_min=1] ~ ~ ~ /summon Creeper ~ ~ ~ {ignited:1,Fuse:1}}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~1 ~-7 ~6 minecraft:command_block 0 replace {Command:/scoreboard players set @a creephead 1 {Inventory:[{Slot:103b,id:minecraft:skull}]}}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-5 ~7 minecraft:command_block 0 replace {Command:/scoreboard players set @a jump 0}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-4 ~6 minecraft:command_block 0 replace {Command:/fill ~ ~-1 ~ ~ ~-1 ~2 redstone_block}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-5 ~6 minecraft:command_block 0 replace {Command:/fill ~ ~1 ~ ~ ~1 ~2 air}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-3 ~3 minecraft:command_block 0 replace {Command:/say DEVICE STARTED!}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-1 ~2 minecraft:command_block 0 replace {Command:/scoreboard objectives add creephead dummy}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-1 ~2 minecraft:command_block 0 replace {Command:/scoreboard objectives add jump stat.jump}}
,Riding:{id:FallingSand,Time:1,Block:command_block,TileEntityData:{Command:/setblock ~ ~-1 ~2 minecraft:command_block 0 replace {Command:/setblock ~ ~1 ~4 redstone_block}}}}}}}}}}}}}}}}}