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