Sometimes I wish I could travel back in time back when this game was a crappy progress bar and a stickman, so I could warn myself about how dangerous this game was going to be for my spare time, and the potential prejudices it raises against triangles (god I hate triangles so much). Damn,Tukkun, there's no way to quit. I abandoned all hope of becoming a ballet dancer long ago, I hope you're happy...
How can a robot know that if it crafts 4 bunchs of screws with 1 unknown object and another different unknown object I will create another unknown object?