Daily Sudoku Challenge — 2026-05-21 (Medium) — Level 9

Warm up with the daily grid. Logic-only — no guessing required, just patience and pattern recognition.

·9··1····
··6··8·3·
··8·9671·
··2······
3·9··52··
·51··4983
··47·····
·2·······
······3··

Solving tips

  • When stuck, restart your scan from the digit with fewest candidates.
  • Scan rows, columns, and boxes for the most-frequent digit first.
  • Pencil-mark candidates only when single-cell scanning stalls.

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