why, constructing Sudoku puzzles of course!
I'm not much of a Sudokohalic myself, but still find it interesting that an Irish mathematician has apparently proven (yet to be confirmed) that Sudoku puzzles MUST contain a minimum of 17 clues (out of 81 squares) in order to insure a unique solution to any given puzzle:
http://www.nature.com/news/mathematician-claims-breakthrough-in-sudoku-puzzle-1.9751
No comments:
Post a Comment