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