Time: 00:00:00

Sudoku 12x12 num: 1562 (Level: hard)

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