Sudoku 24x24 num: 447 (Level: hard)
C
9
F
I
N
H
M
C
9
G
D
E
2
I
E
2
I
4
3
M
J
H
6
D
F
N
B
A
J
H
C
1
C
K
O
7
L
H
2
I
F
6
G
D
7
J
L
H
3
9
6
2
I
F
N
8
M
3
7
5
4
D
E
I
A
C
K
A
L
7
F
E
4
B
8
D
G
H
L
C
M
O
D
F
I
E
4
5
E
5
N
8
D
K
C
3
A
O
1
7
N
8
D
F
I
H
7
K
C
O
K
1
L
H
E
5
B
8
6
G
L
7
J
K
O
B
D
F
2
4
2
E
4
B
N
G
C
M
9
B
N
G
I
F
4
1
L
C
3
O
1
H
O
G
6
2
D
5
F
I
H
O
K
C
J
9
M
D
4
F
6
B
6
N
B
5
F
I
1
M
H
L
8
D
4
H
K
7
3
M
7
J
9
1
3
L
H
O
K
2
5
4
I
C
K
5
4
F
2
6
G
2
5
9
M
L
O
A
5
4
A
K
7
9
M
3
