- #1
Mike AkA Don
- 30
- 0
I've become particulary fond of these, 3x3 boxes with 3x3 boxes in each and you must have 1-9 vertical, horizontal and in each 3x3 box. I'm sure most have seen it before. The link below provides a program for it. I average 12 minutes on hard puzzles.
http://www.sudoku.com/
http://www.sudoku.com/