A couple of seconds.
OCD, OCD, OCD. Wait the last time didn't feel right. OCD, OCD, OCD. Wait, the second time didn't feel right. OCD, OCD, OCD. Wait...
Second to third, because there's a short stop in the middle!
It's easy just throw in a couple of Boolean cubes.
They can't, it'd be much too cramped. How would they even get in there in the first place?
Hypothermia.