Sudoku Maniac

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