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