6 1 2 5
9 2 8 7
2 8
9 3 7 8
5 4
7 4 5 1
9 7
1 7 3 6
7 5 3 1
14-01-2018......diabolico
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com