Classic Sudoku
3
9
1
5
6
7
2
4
5
9
4
6
8
9
7
2
1
2
7
8
2
9
8
5
6
4
1
7
1
9
4
3
9
7
6
4
2
5
4
3
2
3
5
1
9
Time: 0:00:00
Input mode: Normal
New board
Restart board
I give up, solve it!
Clear
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9