expert 16×16 Set 23 Grid Puzzle
3
8
C
F
E
3
6
5
1
4
D
A
C
D
5
7
5
A
7
4
E
8
9
D
0
2
B
4
7
B
F
1
0
2
1
A
0
9
5
4
8
C
E
F
F
A
4
7
5
2
4
A
E
1
5
3
9
2
0
F
3