Time: 00:00:00

Sudoku 25x25 num: 416 (Level: hard)

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