6
1
8
9
7
2
9
3
9
7
4
5
9
1
2
6
5
7
6
1
8
4
8
6
7
3
3
4
28-04-2012......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
