Time: 00:00:00

Sudoku 24x24 num: 450 (Level: hard)

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