Mark of The Assassin Fire Vault Bug

Having finally managed to install the game, I've made some progress and am now playing through the Mark of The Assassin DLC. I've reached the vault and am in the room where the floor is on fire and three puzzels have to be solved in order to extinguish it. I know that ordering the tiles on the floor so that marked tiles correspond to the masked characters in the painting causes the fire to weaken, because I managed to do it once, with the "leftmost" tile set (looking from the enterway). The problem is that the other two tilesets appear to be bugged. I've solved their corresponding puzzels and arranged the tiles based on the paintings, but nothing happens. I even went and found a walkthrough just to make sure that I did everything right, and I did. The tilesets are simply bugged. This is extremely frustrating, because this is one of the big prizes of the DLC and I can't get to it even though I solved all the puzzels correctly.

Is there a solution other than reinstalling?

Edit: Okay, I feel like an idiot. All it took was literally another minute of trying... turns out I was looking at the tilesets the other way around. I was supposed to read the paintings from the direction of the puzzel rooms, not the main ones. The reason I succeeded with the first one was because this is the only tileset who's solution happens to be symmetrical...

I guess you can lock this. Sorry to have bothered you all.