This was 13 hours of my life well spent
"This is one of the coolest puzzles I've seen in levelhead" -NoobJr
You can see the attached image for what looeye said about the level
4l12gld | "Machine Build-A" by Slothybutt @6kb88h | Puzzling, Complex
https://www.bscotch.net/games/levelhead/levels/4l12gld