Time: 00:00:00

Sudoku 12x12 num: 1717 (Level: hard)

7
C
9
2
2
1
6
C
3
1
7
9
5
A
C
B
1
4
A
2
8
7
B
1
B
3
7
A
4
5
C
6
2
5
8
2
3
2
8
3
C
7
9
B
C
7
4
2
8
4
9
6
2
B