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