4 7
1 4 2
2 3 1
2 4 6 1 9
6 5
8 3 7 4 6
3 5 2
6 8 9
7 8
18-03-2016......difficile
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com