Sudoku Maniac

00:01
5
4
1
3
2
3
7
1
9
5
6
7
3
5
6
4
9
8
2
7
7
2
4
9
1
1
4
5
6
3
9
5
1
8
8
7
9
00:01
1
2
3
4
5
6
7
8
9
Undo
Hint
Solve