BackPack mod In Only One-Command

summon FallingSand ~ ~1 ~ {TileID:152,Time:1,Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{ Command:fill ~ ~-30 ~1 ~ ~ ~1 redstone_block }, Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: fill ~1 ~-30 ~1 ~-1 ~2 ~-1 air },Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-21 ~ redstone_block},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~5 ~-18 ~ minecraft:wall_sign 4 replace {Text1:"{text:'-------',color:gold}",Text2:"{text:'Backpack mod',color:dark_purple}",Text3:"{text:'in one command',color:black}",Text4:"{text:'-------',color:gold,clickEvent:{action:run_command,value:'/say Ahi!'}}"}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~5 ~-18 ~ minecraft:wall_sign 4 replace {Text1:"{text:'-------',color:gold}",Text2:"{text:'Get a',color:dark_blue}",Text3:"{text:'White Backpack!',color:dark_purple}",Text4:"{text:'-------',color:gold,clickEvent:{action:run_command,value:'/replaceitem entity @p slot.hotbar.0 leather 1 0 {display:{Name:White Backpack,Lore:[I work In the First Slot, Shift + Right Click]}}'}}"}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~5 ~-18 ~ minecraft:wall_sign 4 replace {Text1:"{text:'-------',color:gold,clickEvent:{action:run_command,value:'fill ~7 ~-2 ~3 ~-2 ~3 ~-3 air'}}",Text2:"{text:'Right click To',color:black,clickEvent:{action:run_command,value:'scoreboard players set @a Time 0'}}",Text3:"{text:'Delete Machine',color:dark_red,bold:1}",Text4:"{text:'-------',color:gold,clickEvent:{action:run_command,value:'kill @e[score_Ok_min=1]'}}"}
},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: /tellraw @a ["",{"text":"\n\n\n\n\n\n\n\n\n\n Backpack Mod in Vanilla Minecraft ","color":"dark_purple","bold":"true"},{"text":"by "},{"text":"Gianlu4Free\n","color":"gold","bold":"true"},{"text":"\n     www.youtube.com/c/Gianlu4free\n\n","color":"gold","clickEvent":{"action":"open_url","value":"https://www.youtube.com/c/Gianlu4free"},"hoverEvent":{"action":"show_text","value":{"text":"","extra":[{"text":"click here to open the youtube link"}]}}},{"text":"Credit me (Gianlu4Free) if you are using this creation in a video\n","color":"yellow"},{"text":"Don't re-upload this command use the original link!","color":"yellow"}]
},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-16 ~ air},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-15 ~ redstone_block},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-14 ~-1 command_block 1 0 {Command:/fill ~ ~ ~1 ~2 ~2 ~1 stone}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-13 ~1 command_block 1 0 {Command:/fill ~ ~ ~-1 ~2 ~2 ~-1 redstone_block}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~7 ~-11 ~-1 command_block 1 0 {Command:scoreboard objectives add Time dummy}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~7 ~-9 ~-1 command_block 1 0 {Command: scoreboard players set @a Io 0}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~7 ~-9 ~1 command_block 1 0 {Command: /execute @e[score_Compass=0] ~ ~ ~ tp @e[score_Ok_min=1] ~ 100 ~}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~7 ~-7 ~1 command_block 1 0 {Command: /scoreboard players set @e Ok 1 {CustomName:White Backpack}}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~8 ~-8 ~-1 command_block 1 0 {Command: /scoreboard players set @e Compass 1 {SelectedItemSlot:0,Inventory:[{Slot:0b,id:minecraft:leather,tag:{display:{Name:"White Backpack"}}}]}}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~8 ~-6 ~-1 command_block 1 0 {Command:scoreboard objectives add Compass dummy}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~8 ~-4 ~-1 command_block 1 0 {Command:scoreboard players add @a Time 1}},Riding:{id:FallingSand,Time:1,TileID:137,TileEntityData:{Command: setblock ~8 ~-5 ~1 command_block 1 0 {Command: /scoreboard players remove @a j 1 {Riding:{id:EntityHorse}}}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~8 ~-3 ~1 command_block 1 0 {Command:scoreboard objectives add Io dummy}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command: setblock ~8 ~-1 ~1 command_block 1 0 {Command:scoreboard objectives add Ok dummy}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~-2 ~-1 command_block 1 0 {Command: execute @a[score_Compass_min=1] ~ ~ ~ tp @e[type=EntityHorse,score_Ok_min=1] @a[score_j_min=-1,score_Compass_min=1]}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~0 ~-1 command_block 1 0 {Command:scoreboard objectives add j dummy}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~2 ~-1 command_block 1 0 {Command:scoreboard players set @a Compass 0}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~1 ~1 command_block 1 0 {Command: /execute @e[score_Time_min=1,score_Time=1] ~ ~ ~ /summon EntityHorse ~ ~100 ~ {HealF:10000,Type:2,ChestedHorse:1,NoAI:1,Silent:1,ActiveEffects:[{Id:14,Amplifier:1,Duration:246913560,ShowParticles:0b}],CustomName:"White Backpack",Tame:1}}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~4 ~1 command_block 1 0 {Command: /scoreboard players set @a j -1}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:setblock ~9 ~4 ~1 command_block 1 0 {Command: /execute @e[score_Io_min=1] ~ ~ ~ /replaceitem entity @a slot.hotbar.0 minecraft:leather 1 0 {display:{Name:White Backpack,Lore:[I work In the first Slot]}}}},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:fill ~6 ~3 ~2 ~10 ~3 ~-2 stained_hardened_clay},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:fill ~6 ~8 ~2 ~10 ~8 ~-2 stained_hardened_clay},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:fill ~6 ~9 ~2 ~10 ~5 ~-2 glass 1 outline},Riding:{id:FallingSand,TileID:137,Time:1,TileEntityData:{Command:gamerule commandBlockOutput false},}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}