Time: 00:00:00

Sudoku 20x20 num: 216 (Level: hard)

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