2
7
9
2
3
7
6
2
4
9
4
8
3
8
6
1
5
9
3
5
6
7
9
5
8
5
1
7
06-09-2014......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com