Sudoku Maniac

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