Villager Adjuster | Minecraft | 1 Command

/summon falling_block ~ ~1 ~ {Block:"redstone_block",Time:3,Passengers:[{id:"falling_block",Block:"activator_rail",Time:3,Passengers:[{id:"commandblock_minecart",Command:/gamerule commandBlockOutput false},{id:"commandblock_minecart",Command:/scoreboard objectives add PackTimer dummy},{id:"commandblock_minecart",Command:/fill ~2 ~-2 ~-1 ~5 ~5 ~1 wool 12 hollow},{id:"commandblock_minecart",Command:/fill ~2 ~-1 ~-1 ~5 ~4 ~1 stained_glass 0 replace wool},{id:"commandblock_minecart",Command:/summon falling_block ~3 ~-1 ~ {Block:repeating_command_block,Data:1,TileEntityData:{auto:1b,Command:/scoreboard players add VillagerChange PackTimer 1},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:/scoreboard players test VillagerChange PackTimer 20},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:9,TileEntityData:{Command:/scoreboard players set VillagerChange PackTimer 0},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:repeating_command_block,Data:9,TileEntityData:{auto:1b,Command:/scoreboard players tag @e[type=item] add VillagerChangeA {Item:{id:"minecraft:coal",Count:8b},OnGround:1b}},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:1,TileEntityData:{Command:execute @e[tag=VillagerChangeA] ~ ~ ~ detect ~ ~-.1 ~ emerald_block -1 execute @e[c=1,type=item] ~ ~ ~ detect ~1 ~-.1 ~ quartz_block 3 execute @e[c=1,type=item] ~ ~ ~ detect ~-1 ~-.1 ~ quartz_block 3 execute @e[c=1,type=item] ~ ~ ~ detect ~ ~-.1 ~1 quartz_block 4 execute @e[c=1,type=item] ~ ~ ~ detect ~ ~-.1 ~-1 quartz_block 4 /scoreboard players tag @e[type=item,c=1] add VillagerChangeB},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:5,TileEntityData:{Command:execute @e[tag=VillagerChangeB] ~ ~ ~ /scoreboard players tag @e[type=villager,c=1,dy=1] add VillagerChangeC},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:/summon falling_block ~4 ~-1 ~ {Block:chain_command_block,Data:5,TileEntityData:{Command:execute @e[tag=VillagerChangeC] ~ ~ ~ kill @e[tag=VillagerChangeB]},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=VillagerChangeC] ~ ~ ~ execute @e[tag=VillagerChangeA,c=1] ~ ~ ~ fill ~ ~-1 ~-1 ~ ~-1 ~1 air},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=VillagerChangeC] ~ ~ ~ summon villager ~ ~1 ~},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=VillagerChangeC] ~ ~ ~ /particle happyVillager ~ ~1 ~ .75 .75 .75 .1 100},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=VillagerChangeC] ~ ~ ~ /playsound minecraft:entity.zombie_villager.cure ambient @a ~ ~ ~ 3 .1 1},Time:1,DropItem:0,Passengers:[{id:"falling_block",Block:chain_command_block,Data:0,TileEntityData:{Command:/execute @e[tag=VillagerChangeC] ~ ~ ~ execute @e[tag=VillagerChangeA,c=1] ~ ~ ~ fill ~-1 ~-1 ~ ~1 ~-1 ~ air},Time:1,DropItem:0}]}]}]}]}]}},{id:"commandblock_minecart",Command:/setblock ~5 ~-1 ~ chain_command_block 1 0 {auto:1b,Command:entitydata @e[tag=VillagerChangeC] {Health:0,DeathLootTable:"",DeathTime:19s}}},{id:"commandblock_minecart",Command:setblock ~1 ~1 ~ wall_sign 4 0 {Text1:"{\\\"text\\\":\\\"click here\\\",\\\"color\\\":\\\"dark_red\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"/particle explode ~3 ~ ~ 1 3 1 .01 75 normal\\\"}}",Text2:"{\\\"text\\\":\\\"to remove\\\",\\\"color\\\":\\\"dark_red\\\"}",Text3:"{\\\"text\\\":\\\"this machine\\\",\\\"color\\\":\\\"dark_red\\\"}",Text4:"{\\\"text\\\":\\\"\\\",\\\"clickEvent\\\":{\\\"action\\\":\\\"run_command\\\",\\\"value\\\":\\\"fill ~ ~-3 ~-1 ~4 ~4 ~1 air\\\"}}"}},{id:"commandblock_minecart",Command:/setblock ~ ~1 ~ command_block 1 0 {auto:1b,Command:fill ~ ~ ~ ~ ~-2 ~ air}},{id:"commandblock_minecart",Command:kill @e[r=2,type=commandblock_minecart]}]}]}