Hard Level 9 (28 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/885424/
Website: www.sudoku99.com

7

3

5

1

8

8

2

6

4

1

8

2

8

3

5

1

6

1

2

3

2

6

3

4

9

6

1

6