# verified WORKS by door leaderboard: 90 blocks, category solid # archived 2026-10-18 19:42Z from HEAD:designs/piston-door-3x3/tracks/fast-clean/archive/fast-clean-s4c-90b.txt (repo at e87ef97) name: fast-clean-s4c port door: 0 0 0 port lever: 0 4 -2 origin: -3 0 -4 palette: A minecraft:observer[facing=north,powered=false] B minecraft:observer[facing=south,powered=false] C minecraft:observer[facing=up,powered=false] D minecraft:observer[facing=west,powered=false] E minecraft:piston_head[facing=down,short=false,type=sticky] F minecraft:piston_head[facing=east,short=false,type=sticky] G minecraft:piston_head[facing=up,short=false,type=sticky] H minecraft:piston_head[facing=west,short=false,type=sticky] I minecraft:redstone_wall_torch[facing=south,lit=true] J minecraft:redstone_wire[east=none,north=none,power=0,south=none,west=none] K minecraft:redstone_wire[east=none,north=none,power=0,south=side,west=side] L minecraft:lever[face=floor,facing=north,powered=false] M minecraft:redstone_wire[east=none,north=none,power=0,south=side,west=up] N minecraft:redstone_wire[east=none,north=side,power=0,south=side,west=side] O minecraft:observer[facing=down,powered=false] P minecraft:piston[extended=false,facing=east] Q minecraft:redstone_wire[east=none,north=up,power=0,south=side,west=none] R minecraft:redstone_block S minecraft:redstone_wire[east=none,north=up,power=0,south=side,west=side] T minecraft:redstone_wire[east=side,north=none,power=0,south=none,west=side] U minecraft:redstone_wire[east=side,north=none,power=0,south=side,west=none] V minecraft:redstone_wire[east=side,north=none,power=0,south=up,west=up] W minecraft:redstone_wire[east=side,north=side,power=0,south=none,west=none] X minecraft:redstone_wire[east=side,north=side,power=0,south=side,west=none] Y minecraft:redstone_wire[east=side,north=side,power=0,south=side,west=side] Z minecraft:redstone_wire[east=side,north=side,power=0,south=up,west=none] a minecraft:redstone_wire[east=side,north=up,power=0,south=none,west=none] b minecraft:redstone_wire[east=up,north=none,power=0,south=none,west=side] c minecraft:redstone_wire[east=up,north=none,power=0,south=side,west=none] d minecraft:repeater[delay=1,facing=north,locked=true,powered=false] e minecraft:repeater[delay=2,facing=west,locked=false,powered=true] f minecraft:repeater[delay=4,facing=east,locked=false,powered=false] g minecraft:sticky_piston[extended=false,facing=down] h minecraft:sticky_piston[extended=false,facing=east] i minecraft:sticky_piston[extended=true,facing=down] j minecraft:sticky_piston[extended=true,facing=east] k minecraft:sticky_piston[extended=true,facing=up] l minecraft:sticky_piston[extended=true,facing=west] m minecraft:stone o minecraft:observer[facing=east,powered=false] p minecraft:piston[extended=false,facing=west] r minecraft:redstone_wall_torch[facing=east,lit=true] s minecraft:smooth_stone t minecraft:target[power=0] layer -2: . . . .s .m..k layer -1: . . .s .Q .WtrG layer 0: . s sM......s . .jFmmmHl layer 1: . cs X......sM t.......t IjFmmmHlI layer 2: . .bs....s ..s....a . mjFmmmHlm layer 3: ..mm ..S...sM ..YmC ....A ..hgE.p layer 4: ..Ubm ....BsV ..oLD ..APR.p ....iO layer 5: ....K ....ZT ...sCA ..YsAt ..t..Jt layer 6: . . ..mfN ..Ied ....m