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