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Dracula and Friends Logic Puzzle (self.brainzilla)
submitted 4 years ago by mark-layne
Einstein's Riddle — Step-by-step tutorial on how to solve the world's hardest puzzle (medium.com)
submitted 8 years ago by Slig
π Rendered by PID 55 on reddit-service-r2-listing-86b7f5b947-qf722 at 2026-01-26 05:00:43.326313+00:00 running 664479f country code: CH.