CRAFTING+ Only One Command

/summon MinecartCommandBlock ~ ~1 ~ {Command:kill @e[type=MinecartCommandBlock,r=1],Riding:{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block,Riding:{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air},Riding:{id:MinecartCommandBlock,Command:scoreboard objectives add HPzYt_I dummy,Riding:{id:MinecartCommandBlock,Command:/tellraw @a {"text":"Only One Command made by TheDerpSpy",color:blue},Riding:{id:MinecartCommandBlock,Command:/tellraw @a {"text":"You have installed CRAFTING+",color:blue},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~-1 {Command:fill ~ ~ ~1 ~5 ~1 ~1 stone},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~-1 ~1 {Command:fill ~ ~ ~-1 ~5 ~1 ~-1 redstone_block},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~-1 {Command:scoreboard players set @e[type=Item] HPzYt_I 1 {Item:{id:"minecraft:leather"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~-1 ~1 {Command:scoreboard players set @e[type=Item] HPzYt_I 2 {Item:{id:"minecraft:string"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~-1 {Command:execute @e[score_HPzYt_I_min=1,score_HPzYt_I=1] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=2,score_HPzYt_I=2] ~ ~ ~ summon Item ~ ~ ~ {Item:{id:"minecraft:saddle",Count:1,tag:{display:{Name:"Saddle"}}}}},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~-1 ~1 {Command:execute @e[score_HPzYt_I_min=1,score_HPzYt_I=1] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=2,score_HPzYt_I=2] ~ ~ ~ kill @e[type=Item,score_HPzYt_I_min=1,score_HPzYt_I=2,r=3]},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~-1 {Command:scoreboard players set @e[type=Item] HPzYt_I 3 {Item:{id:"minecraft:wheat_seeds"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~6 ~-1 ~1 {Command:scoreboard players set @e[type=Item] HPzYt_I 4 {Item:{id:"minecraft:dirt"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~-1 {Command:execute @e[score_HPzYt_I_min=3,score_HPzYt_I=3] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=4,score_HPzYt_I=4] ~ ~ ~ summon Item ~ ~ ~ {Item:{id:"minecraft:grass",Count:1,tag:{display:{Name:"Grass Block"}}}}},Riding:{id:MinecartCommandBlock,Command:blockdata ~7 ~-1 ~1 {Command:execute @e[score_HPzYt_I_min=3,score_HPzYt_I=3] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=4,score_HPzYt_I=4] ~ ~ ~ kill @e[type=Item,score_HPzYt_I_min=3,score_HPzYt_I=4,r=3]},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~-1 {Command:scoreboard players set @e[type=Item] HPzYt_I 5 {Item:{id:"minecraft:clay_ball"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~8 ~-1 ~1 {Command:scoreboard players set @e[type=Item] HPzYt_I 6 {Item:{id:"minecraft:flint_and_steel"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~-1 {Command:execute @e[score_HPzYt_I_min=5,score_HPzYt_I=5] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=6,score_HPzYt_I=6] ~ ~ ~ summon Item ~ ~ ~ {Item:{id:"minecraft:fire_charge",Count:1,tag:{display:{Name:"Fire Charge"}}}}},Riding:{id:MinecartCommandBlock,Command:blockdata ~3 ~ ~1 {Command:execute @e[score_HPzYt_I_min=5,score_HPzYt_I=5] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=6,score_HPzYt_I=6] ~ ~ ~ kill @e[type=Item,score_HPzYt_I_min=5,score_HPzYt_I=6,r=3]},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~ ~-1 {Command:scoreboard players set @e[type=Item] HPzYt_I 7 {Item:{id:"minecraft:bone"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~4 ~ ~1 {Command:scoreboard players set @e[type=Item] HPzYt_I 8 {Item:{id:"minecraft:bone"},OnGround:1b}},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~ ~-1 {Command:execute @e[score_HPzYt_I_min=7,score_HPzYt_I=7] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=8,score_HPzYt_I=8] ~ ~ ~ summon Item ~ ~ ~ {Item:{id:"minecraft:skull",Count:1,tag:{display:{Name:"Fake Skull"}}}}},Riding:{id:MinecartCommandBlock,Command:blockdata ~5 ~ ~1 {Command:execute @e[score_HPzYt_I_min=7,score_HPzYt_I=7] ~ ~ ~ execute @e[r=0,score_HPzYt_I_min=8,score_HPzYt_I=8] ~ ~ ~ kill @e[type=Item,score_HPzYt_I_min=7,score_HPzYt_I=8,r=3]},Riding:{id:MinecartCommandBlock,Command:setblock ~3 ~-1 ~ redstone_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~5 ~ ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~-1 ~8 ~-1 ~-1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~5 ~ ~1 command_block,Riding:{id:MinecartCommandBlock,Command:fill ~3 ~-1 ~1 ~8 ~-1 ~1 command_block,Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~ ~ wall_sign 4 replace {Text1:"{text:\\"CRAFTING+\\",color:black}"},Riding:{id:MinecartCommandBlock,Command:setblock ~1 ~-1 ~ wall_sign 4 replace {Text1:"{text:\\"DESTROY\\",color:red,bold:true,underlined:true}",Text4:"{text:\"\",clickEvent:{action:\\"run_command\\",value:\\"fill ~ ~-2 ~-2 ~9 ~3 ~2 air\\"}}"},Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-1 ~-2 ~9 ~ ~2 stained_glass 3 replace stained_hardened_clay 3,Riding:{id:MinecartCommandBlock,Command:fill ~2 ~-2 ~-2 ~9 ~1 ~2 stained_hardened_clay 3 hollow,Riding:{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Riding:{id:FallingSand,Block:activator_rail,Time:1,Riding:{id:FallingSand,Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}