4
6
7
5
8
7
8
3
6
3
1
9
9
8
7
3
5
8
1
4
4
5
9
6
2
3
16-09-2009......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
