2
7
3
2
3
4
7
5
8
6
5
2
8
3
1
2
3
4
9
7
9
6
8
1
4
7
5
9
1
3
3
23-07-2012......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com