I'm guessing they painted their own "A" again, just like before the Oregon game when they were caught green handed.
"I know Ms. Pac-Man is special. She's fun. She's cute. She swallows."
SEAL Team 6
I do not think tha ASSSSSSSSSSSSSSu students can paint two colors at the same time.
Truth is, a Blind man with no arms can paint the asu A. Heck, they are not to bright there, they probably did it accidently and didn't even know it.