5 9 8 1
1 2
7 9 4 6
2 1 9 5
7 6 3 4
2 3 9 8
4 3
9 8 6 5
27-08-2019......difficile
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com