8 2 1 4
9 3 1
5
4 9 5 8
6 9 7
2 8 6 9 3
6 7
6 5 2
2 3 1 5 8 6
24-06-2012......hard
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com
www.daily-sudoku-puzzle.com