Time: 00:00:00

Sudoku 12x12 num: 1677 (Level: hard)

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