4
8
7
2
6
9
1
3
3
9
5
1
2
8
7
5
6
1
9
5
2
4
3
7
6
22-09-2014......difficile
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com