/summon FallingSand ~ ~2 ~ {Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{Riding:{TileEntityData:{Command:"/fill ~2 ~-1 ~2 ~-2 ~4 ~14 minecraft:bedrock 0 hollow",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~2 ~-2 ~2 ~-2 ~-2 ~14 minecraft:bedrock 0",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~1 ~-2 ~3 ~-1 ~4 ~13 air",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~1 ~-3 ~12 ~-1 ~0 ~12 redstone_block",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~-1 ~3 ~11 {Riding:{Riding:{Riding:{TileEntityData:{Command:\"/gamerule commandBlockOutput false\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"/gamerule logAdminCommands false\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"tellraw @a {text:\\\"Mining features are now available!\\\",color:gold}\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},id:\"FallingSand\",Block:\"iron_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"summon FallingSand ~-1 ~2 ~13 {Riding:{Riding:{Riding:{TileEntityData:{Command:\"summon FallingSand ~1 ~1 ~-10 {id:\\\"FallingSand\\\",Block:\\\"redstone_block\\\",Time:1}\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"tellraw @a {text:\\\"Mining features machine by f_\\\",color:red}\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"/scoreboard objectives add f_a 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2\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/summon FallingSand ~-1 ~0 ~4 {Riding:{Riding:{Riding:{TileEntityData:{Command:\"effect @a[score_f_a_min=1] minecraft:strength 1 2\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"effect @a[score_f_a_min=1] minecraft:jump_boost 1 2\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"scoreboard players set @a f_a 0\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1},TileEntityData:{Command:\"/execute @a ~ ~ ~ detect ~ ~-1 ~ minecraft:stone 0 /scoreboard players set @p f_a 1\",id:\"Control\"},id:\"FallingSand\",Block:\"command_block\",Time:1}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/setblock ~ ~-7 ~1 wall_sign 2 0 {Text1:\"===============\",Text2:\"{text:\\\"Click\\\",color:\\\"dark_red\\\",clickEvent:{action:run_command,value:\\\"/fill ~2 ~1 ~ ~-2 ~-4 ~13 air\\\"},extra:[{text:\\\" to remove\\\",color:\\\"black\\\"}]}\",Text3:\"this structure\",Text4:\"===============\"}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/setblock ~ ~-9 ~1 wall_sign 2 0 {Text2:\"{\\\"color\\\":\\\"red\\\",\\\"text\\\":\\\"Mining features\\\"}\",Text3:\"{\\\"color\\\":\\\"red\\\",\\\"text\\\":\\\"by f_\\\"}\",Text1:\"{\\\"color\\\":\\\"gold\\\",\\\"text\\\":\\\"------------------\\\"}\",Text4:\"{\\\"color\\\":\\\"gold\\\",\\\"text\\\":\\\"------------------\\\"}\",y:117,x:10,z:209,id:\"Sign\"}",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~ ~-12 ~ ~-1 ~2 ~ air",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},TileEntityData:{Command:"/fill ~-1 ~-13 ~ ~-1 ~-1 ~ redstone_block",id:"Control"},id:"FallingSand",Block:"command_block",Time:1},id:"FallingSand",Block:"redstone_block",Time:1}