Time: 00:00:00

Sudoku 18x18 num: 584 (Level: hard)

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