Hard Level 9 (28 clues)
Puzzle URL:
http://www.sudoku99.com/sudoku9x9/puzzle/194251/
Website:
www.sudoku99.com
5
7
6
7
1
4
8
2
9
7
3
8
9
3
4
5
1
6
3
3
9
5
6
7
3
2
9
6
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