Being a puzzle freak I have no social life to speak of, so ... last night I made some blue dots on a sheet of paper. Be still my heart. But wait, there's more. Then I made an equal number of red dots on the paper, being careful not to have any three points, regardless of color, in a straight line. I imagined they were boys [blue dots] and girls [red dots] who didn't solve puzzles, and therefore were capable of a social life. So I endeavored to pair them up, using straight line