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