2
6
7
1
2
1
5
3
1
2
6
7
8
7
3
4
3
4
8
9
5
6
9
3
4
5
8
2
3
6
1
07-10-2011......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com