Hard Sudoku 6
9×9 · 28 given numbers
3
6
2
7
8
6
5
5
4
1
1
2
3
7
9
7
9
1
2
5
4
1
6
1
7
6
4
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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