Beyond Pencil-Marks: Sudoku Mastery

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Published on ● Video Link: https://www.youtube.com/watch?v=R4SM57ttA_w



Duration: 10:22
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Sometimes pencil-marks won't get you far enough. In reviewing a brute of a puzzle from the Nikoli.com archive by T Karino, Simon notes a couple of ways we need to show mental flexibility to break into a puzzle.







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