Time: 00:00:00

Sudoku 12x12 num: 1720 (Level: hard)

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