Gaming Foursquare, now in two lines (pearanalytics.com)

So, Alex our wonderful perl programmer, saw the 9 lines of code to game four square as an affront to his perl monkery. Here's his rebuttal.

http://www.pearanalytics.com/blog/2010/gaming-foursquare-in-two-lines-of-perl/

Can anyone think of a language to do it in even fewer lines?