2
7
8
1
5
9
4
8
6
1
9
8
7
5
5
4
7
1
6
8
2
5
9
3
2
1
5
6
7
24-04-2014......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
