Let's Make Robots!

My wheels do not move.

I'm trying to make http://letsmakerobots.com/start

My wheels do not move when I program it. This is the code I use: http://pastebin.com/eZCYiBuv

I'm pretty sure that the pins are soldered correctly to the board. I already re-soldered them 3 times and they look just like they do in the pictures that are in the instructions.