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