Hard Level 10 (27 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/171185/
Website: www.sudoku99.com

4

1

7

7

3

8

9

4

8

4

8

2

1

5

4

7

9

2

6

9

4

6

7

1

7

2

5