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