2 1 9
3 9 8 4
4 6
1 6 8 2 7
8 9 7 5 1
3 4
6 2 8 5
7 5 9
16-12-2017......schwer
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com