They had made it to the fourth floor, unaware of their two silent followers as they went, and maybe that said something about them. At one point George thought he heard a shuffle, but figured there were lots of noises around the ministry. They were just maitenance guys, right?
Fred and George, as their respective polyjuice people, were rather alone by the time they reached the toilets. They didn't actually go in, but stepped to the side and checked that no one was around again.
"Looks pretty standard. Wasn't hard to get in, really."