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Number placement puzzle

Number placement puzzle. Fill each row, column and 3×3 box with 1–9 once. Fixed clues cannot change; duplicates are marked. Each new puzzle has one solution.

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How to use

  1. 1Fill each row, column and 3×3 box with 1–9 once. Fixed clues cannot change; duplicates are marked. Each new puzzle has one solution.
  2. 2Use the board or its controls to make a move and check the game state.
  3. 3Use New game to reset the current board and start again.

Good to know

Fill each row, column and 3×3 box with 1–9 once. Fixed clues cannot change; duplicates are marked. Each new puzzle has one solution.

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