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Pips hints, answers, archive, and solver

Start with today’s easy, medium, and hard Pips boards, browse stored dates, or open the solver view to validate canonical placements.

MAY 313 levels15 HARD DOMINOESIAN LIVENGOOD

Today's Puzzle

Start here for the current Pips boards. Spoiler-safe hints and canonical answers are kept together.

Today's Pips Hints & AnswersTodayReveal structure hints, domino sets, and canonical placements for easy, medium, and hard.Open today's hints

Archive & Reference

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Pips ArchiveBrowse stored Pips puzzles by date with every level and official placement.Browse archivePips HubKeep daily hints, the archive, and the solver in one family view.Open hub

Solver Tools

Use this when you want the constraint solver view for today's boards.

Pips SolverRun the exact-cover solver against the stored daily boards and compare with the canonical answer.Open solver