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数独

9×9のマスに数字を埋め、各行・列・3×3ブロックに1〜9が入るようにしよう。

Number medium 10-30 min
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遊び方

  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