2
6
9
8
3
7
6
1
5
6
5
8
3
9
5
2
6
1
4
3
5
4
6
2
1
5
9
4
7
09-07-2011......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com