It sounds like you're asking for a (a "paper") for a "lovely craft piston trap" that is 30 blocks wide at the top .
A hallway of four pistons. When the player reaches the middle, all pistons fire, swapping the walls and floor. They get turned around 180 degrees and walk back where they came from. lovely craft piston trap 30 top
The primary gameplay involves interacting with various "mob girls" through a sticky piston machine. Players can: It sounds like you're asking for a (a
[ L ][ L ][ L ] … (30 times) ← Lovely block [ S ][ S ][ S ] … (30 times) ← Slime block [ P ][ P ][ P ] … (30 times) ← Sticky piston ↑ Redstone line + observers They get turned around 180 degrees and walk
Newer versions like 0.2.999 introduced Mal0 and five secret mobs.
Thirty blocks above, hidden inside a hollowed-out geode, a redstone comparator clock began its final tick.