Time: 00:00:00

Sudoku 16x16 num: 442 (Level: hard)

5
G
A
1
F
7
3
4
2
G
D
3
6
1
G
C
5
8
3
E
E
8
4
5
E
3
1
A
D
4
9
1
A
D
3
B
7
C
8
A
D
F
4
G
7
C
8
3
B
B
6
3
E
C
9
F
D
1
5
8
E
F
1
G
4
F
D
B
6
E
5
F
A
2
8
C
E
8
4
5
E
1
G
9
4
2
9
4
D
F
1
3
D
G
C
E