Play Medium Sudoku Online

8
5
2
1
9
6
5
3
2
4
9
3
6
8
5
1
5
9
4
3
7
3
2
1
5
4
8
9
7
5
1
6
1
7
8
2
6
5
2
9
1
1
2
3
4
5
6
7
8
9
Go up