Play Medium Sudoku Online

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