Time: 00:00:00

Sudoku 12x12 num: 1740 (Level: hard)

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