Time: 00:00:00

Sudoku 12x12 num: 1457 (Level: hard)

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