Pentago is a puzzle game where you put down a ball of one color and rotate 1/4 of the board clockwise or counterclockwise, and try to get 5 in a row of your color (diagonals work).
Directions: go to http://www.pentago-online.se/ and click on [this computer human vs. human] and set up the board as the last move, and make the next move.
(Uhm, since there isn't any way of copying the image because it's all separate images, just take a screenshot and upload to imageshack).
Alternatively, you can just use my notation for labeling a move:
[Color: (letter, number coords); Quadrant #, clockwise C or counterclockwise CC]
Coordinates:

Ok I'll go first:
[W:B,2;Q2,CC]

(If there's more than one move we can just decide on the best move and continue from there)
May the best color win!