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