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