Play Medium Sudoku Online

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