medium 12×12 Set 9 Grid Puzzle
1
8
11
6
3
4
6
11
5
10
12
8
8
7
4
3
12
1
10
11
3
1
10
3
4
5
8
2
12
7
4
7
9
10
11
4
3
12
9
6
3
1
2
7
2
5
10
6
3
4
1
12
2
7
10
9
11