6
8
7
3
1
5
8
7
2
1
7
8
2
6
2
5
8
7
4
9
2
1
5
6
9
4
5
5
4
3
17-02-2017......medio
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com