Hard Level 9 (28 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/812796/
Website: www.sudoku99.com

5

4

1

2

7

3

6

2

3

9

4

1

5

6

3

7

2

8

2

9

2

3

8

9

1

4

2

5