Time: 00:00:00

Sudoku 20x20 num: 215 (Level: hard)

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