Hard Sudoku 12
9×9 · 28 given numbers
9
7
2
6
2
3
8
5
3
5
2
4
6
1
6
5
3
4
8
4
3
2
9
5
9
8
7
3
❚❚
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Mistakes 0/3 Time 0:00
This free printable hard sudoku has one unique solution. Fill every row, column, and box so each contains the digits 1 to 9 exactly once. Play online with the number pad, or hit Download PDF for a clean copy with the solution on page two.
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