Time: 00:00:00

Sudoku 25x25 num: 444 (Level: hard)

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