a direct reference to the Berlin Clock. Sanborn further stated that in order to solve section 4, "You'd better delve into that particular clock".[2] However, Sa

a direct reference to the Berlin Clock. Sanborn further stated that in order to solve section 4, "You'd better delve into that particular clock".[2] However, Sanborn also said that, "There are several really interesting clocks in Berlin." https://en.wikipedia.org/wiki/Mengenlehreuhr https://en.wikipedia.org/wiki/Mengenlehreuhr