Hard Level 10 (27 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/575108/
Website: www.sudoku99.com

2

4

7

3

6

7

1

5

4

2

9

7

5

8

4

6

2

4

7

1

2

9

1

5

8

9

2