4
2
8
3
5
6
8
7
9
2
9
6
3
8
5
2
7
4
4
8
9
5
2
6
2
9
9
3
4
1
27-01-2012......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com