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