2 8 6
6 9
3 7 1 5
5 7
4 2 9 5 1 3
1 6
6 3 4 5
4 8
1 4 2
21-02-2017......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com