Sudoku Maniac

00:03
3
4
5
6
9
2
7
6
8
3
7
4
3
2
7
6
8
6
2
5
3
5
3
2
9
8
7
3
3
7
6
9
5
2
4
7
9
00:03
1
2
3
4
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7
8
9
Undo
Hint
Solve