expert 16×16 Set 20 Grid Puzzle
9
2
A
3
4
E
0
8
9
E
D
4
B
F
D
9
6
2
E
8
D
2
F
D
F
9
A
3
0
0
B
1
F
8
F
3
2
1
4
B
A
F
1
3
5
6
F
6
D
C
1
5
C
2
B
1
9
8
B
3
E