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