Play Medium Sudoku Online

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