Structure Spawner Test 3.0

summon MinecartCommandBlock ~ ~1 ~ {Command:gamerule commandBlockOutput false,Riding:{id:MinecartCommandBlock,Command:summon MinecartCommandBlock ~ 255 ~ {Command:tellraw @a[r=20] "Building Structure...",Riding:{id:MinecartCommandBlock,Command:setblock ~-4 ~-1 ~-4 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-4 ~-1 ~-3 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-4 ~-1 ~-2 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~-1 ~-4 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~-1 ~-3 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~-1 ~-2 quartz_block 0,Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~0 ~-4 unpowered_comparator 3 replace {id: Comparator,OutputSignal: 0,z: -534,y: 11,x: 679},Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~0 ~-3 redstone_torch 5,Riding:{id:MinecartCommandBlock,Command:setblock ~-3 ~0 ~-2 unpowered_repeater 3,Riding:{id:MinecartCommandBlock,Command:summon Painting ~-2.46875 ~-0.5 ~-2.0 {Facing: 3,UUIDLeast: -8826867621646527317L,Motion: [0.0,0.0,0.0],OnGround: 0,UUIDMost: -7549600667719676913L,TileY: 10,Dimension: 0,TileX: 680,Air: 300,TileZ: -532,Motive: Alban,id: Painting,Pos: [680.03125,10.5,-531.5],PortalCooldown: 0,Fire: 0,FallDistance: 0.0,Rotation: [270.0,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:summon Painting ~-2.46875 ~-0.5 ~-3.0 {Facing: 3,UUIDLeast: -7140361384764225615L,Motion: [0.0,0.0,0.0],OnGround: 0,UUIDMost: -4542991827705444172L,TileY: 10,Dimension: 0,TileX: 680,Air: 300,TileZ: -533,Motive: Kebab,id: Painting,Pos: [680.03125,10.5,-532.5],PortalCooldown: 0,Fire: 0,FallDistance: 0.0,Rotation: [270.0,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:summon Painting ~-2.46875 ~-0.5 ~-4.0 {Facing: 3,UUIDLeast: -6577565022523626079L,Motion: [0.0,0.0,0.0],OnGround: 0,UUIDMost: 3526496915481773405L,TileY: 10,Dimension: 0,TileX: 680,Air: 300,TileZ: -534,Motive: Wasteland,id: Painting,Pos: [680.03125,10.5,-533.5],PortalCooldown: 0,Fire: 0,FallDistance: 0.0,Rotation: [270.0,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:summon Item ~-4.02662069494 ~0.0 ~-2.85324502455 {Age: 176,UUIDLeast: -6026390701596350712L,Motion: [-5.6875316899612443e-42,-0.0,-4.401022889480921e-41],OnGround: 1,UUIDMost: -2018142820133877082L,Thrower: ripjaws7,Health: 5,Dimension: 0,Air: 300,id: Item,Pos: [678.4733793050633,11.0,-532.3532450245488],PortalCooldown: 0,Item: {id: minecraft:redstone_torch,Damage: 0,Count: 1},Fire: -1,FallDistance: 0.0,PickupDelay: 0,Rotation: [135.18080139160156,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:summon Item ~-4.04516016456 ~0.0 ~-1.7883123241 {Age: 137,UUIDLeast: -8213140474104717482L,Motion: [-1.1486111957252166e-32,-0.0,1.0665393512529514e-31],OnGround: 1,UUIDMost: -1206662507241453381L,Thrower: ripjaws7,Health: 5,Dimension: 0,Air: 300,id: Item,Pos: [678.4548398354441,11.0,-531.2883123240954],PortalCooldown: 0,Item: {id: minecraft:redstone_torch,Damage: 0,Count: 1},Fire: -1,FallDistance: 0.0,PickupDelay: 0,Rotation: [154.18162536621094,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:summon Item ~-3.9984565436 ~0.0 ~-4.18296350911 {Age: 104,UUIDLeast: -6898880952918954437L,Motion: [-1.6621027124516445e-25,-0.0,-1.1149629619507423e-23],OnGround: 1,UUIDMost: 7621591697283041239L,Thrower: ripjaws7,Health: 5,Dimension: 0,Air: 300,id: Item,Pos: [678.5015434563978,11.0,-533.6829635091095],PortalCooldown: 0,Item: {id: minecraft:redstone_torch,Damage: 0,Count: 1},Fire: -1,FallDistance: 0.0,PickupDelay: 0,Rotation: [142.32723999023438,0.0],Invulnerable: 0},Riding:{id:MinecartCommandBlock,Command:kill @e[type=!Player,r=0]}}}}}}}}}}}}}}}}},Riding:{id:MinecartCommandBlock,Command:execute @e[type=MinecartCommandBlock,dx=1,dy=255,dz=1] ~ ~ ~ tp @e[type=MinecartCommandBlock,r=0] @e[type=WitherSkull,y=0,dx=1,dy=255,dz=1],Riding:{id:WitherSkull,direction:[],Riding:{id:FallingSand,Time:1,Block:minecraft:activator_rail,DropItem:0}}}}}