Maybe theres a relationship between the mesoamerican numerals and the scoring system for this years game. If you follow link, notice the Hieroglyphics on the right. Maybe each configuration of bar and dot represents how the game pieces can be configured, which would then give you the appropriate point value.
http://en.wikipedia.org/wiki/Mesoame...can_nume rals
Alot of people have speculated a stacking game, and this kind of supports that theory as well.