Time: 00:00:00

Sudoku 20x20 num: 226 (Level: hard)

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