Hard Level 9 (28 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/348013/
Website: www.sudoku99.com

6

1

8

5

3

2

7

9

6

2

4

5

2

4

3

9

7

5

8

7

1

3

2

5

8

1

5

2