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Sudoku X

Sudoku X is one of the many variants of sudoku. In this game, the diagonals also contain the numbers once and once only. In this 6-by-6 grid, therefore, the diagonals each contain the numbers 1 - 6, once. You can use this extra rule to solve the puzzle below.

NEW! Play Sudoku X Online Now. For publication, you can also buy sudoku X puzzles.

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