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Sudoku

Fill the 9×9 grid so that each row, column, and 3×3 box contains digits 1-9.

Number medium 10-30 min
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How to Play

  1. Click a cell and enter a number 1-9
  2. Each row must contain 1-9 without repeats
  3. Each column must contain 1-9 without repeats
  4. Each 3×3 box must contain 1-9 without repeats