expert 16×16 Set 39 Grid Puzzle
A
E
3
F
1
0
D
C
8
B
7
8
5
E
4
2
6
1
0
B
E
3
8
A
4
9
6
8
9
C
6
D
7
0
2
B
2
A
D
E
F
2
1
5
4
A
4
7
D
4
2
B
F
C
3
E
9
8
C
D
F