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