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