9
2
9
1
7
8
6
5
7
9
4
3
8
2
1
7
5
8
9
9
5
4
1
2
6
4
1
5
7
02-07-2011......medium
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com