I know the arrows have something to do with it, but I don't know if each one is a single instruction, or if they're combined.
For example, if there is an up arrow, then an up-right arrow, do I go up and right, which would satisfy both instructions, or are they separate, and I would need to go up-up-right, or up-right-up?
I think the loop in the middle means go up-right-down-left, but does doing that count towards the other arrows in the halls?