Time: 00:00:00

Sudoku 20x20 num: 242 (Level: hard)

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