2 1 5 6
9
5 2 1 3 4 8
4 9 7 1
7 5 2
3 6 5
2 6 3
3 9 1
16-09-2014......difficile
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com