Sudoku 24x24 num: 519 (Level: hard)
H
4
C
9
N
D
F
I
L
7
4
K
J
A
B
C
A
5
M
7
4
G
O
E
K
B
A
8
G
D
F
I
6
M
4
6
F
3
A
O
D
6
L
E
O
K
C
1
8
A
E
O
J
H
4
D
O
J
5
B
A
1
2
H
7
H
M
L
D
7
3
F
9
O
E
1
J
7
I
2
H
5
K
9
E
B
8
1
J
N
D
7
3
A
O
E
7
I
3
H
M
6
M
H
G
7
I
3
B
J
K
4
2
I
3
D
5
K
N
9
B
E
O
O
K
6
D
4
7
F
A
9
C
I
M
H
6
D
G
3
F
L
G
D
H
N
K
1
B
2
D
F
7
4
J
O
9
N
C
N
1
C
5
J
F
7
2
H
M
J
A
N
K
8
C
I
2
H
3
7
4
6
3
4
L
2
M
H
K
N
C
B
O
9
G
M
3
4
L
J
5
E
A
K
N
8
C
8
C
7
6
D
G
H
J
E
A
9
K
1
8
C
I
H
4
L
