The corridor rota is pinned to a board by the stair and it is reprinted every Friday with the current top twelve on it, and everybody reads it, and nobody has ever been moved off it quietly.

RabThe list is not about rooms. The list is about hours. Twelve people get an hour a night that nobody is allowed to be scored on and the other four hundred are on the record at all times.

TamsinYou have read the whole corridor code.

RabI have read the whole corridor code, and it is two pages long, and I have been reading it since I was eleven and it took me until this morning to notice the sentence about who may enter.