Play Sudoku

Sudoku (数独) is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid so that each column, each row, and each of the nine 3×3 boxes contains the digits from 1 to 9 only one time each.

Before play, select dificulty: very easy, easy, med, hard or very hard.

Press ? for help.

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