Option B seems a lot more pleasant in my opinion -- just imagine trying to clean out the cesspit, or perhaps you forgot to and the castle came under siege and now it's crawling up the fluke to the latrine
We're not even going to talk about the fact that in the illustration of Option A, the person in the latrine doesn't have a way in or out and is actually walled-in stone
This implies that the way in and out is through the cesspit
It is likely that the humiliation of Château Gaillard played a part in the decision of English barons to challenge King John. That in turn led to one of the most important events in English history: the sealing of Magna Carta.[1]