2 5 6 4
7 8 2 3
5 4 7
3 8 6
4 9
6 5 1
8 1 3
6 5 4 9
1 9 6 8
10-09-2018......difficile
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com