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