I got stuck after the tooth and the book. I see four vases but nothing saying what they should be.
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Got it - thanks! I liked the ending with the escape.
I found the restroom puzzle so hard because I had no reason to associate it with the solution - why would that be scribbled on the wall there? - I see that you were trying to make part of each puzzle be in a different room, but I think that one was a bit illogical.