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The Hardest Logic Puzzle Ever

• hongzi 6y ago
  More history: https://en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever https://en.wikipedia.org/wiki/The_Hardest_Logic_Puzzle_Ever, https://www.technologyreview.com/2012/06/13/185681/the-hardest-logic-puzzle-ever-made-even-harder https://www.technologyreview.com/2012/06/13/185681/the-harde...