But, seventy hours of play should mean that if you narrow down that the correct answer has exactly two exits, costs nothing and is green, it's not lavatory or bookshop :D
It's like Wordle but for Blue Prince rooms. You're trying to guess a specific room, the game will tell you what you got right or wrong about the last room.
Oh, I thought I was trying to figure out some sort of layout by drafting individual rooms for some reason. The instructions were pretty confusing.