Medium Level 7 (30 clues)

Puzzle URL: http://www.sudoku99.com/sudoku9x9/puzzle/800149/
Website: www.sudoku99.com

3

4

5

5

4

1

4

1

2

7

2

1

4

8

4

3

3

2

6

8

7

3

6

4

9

3

7

5

7

3