Time: 00:00:00

Sudoku 12x12 num: 1554 (Level: hard)

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