Ok, I spent hours trying to figure out the clock riddle last night. The book on the desk say's Scott rest on not the 3 but the fifteen. I'm not gonna go into all the ideas I had because it got me nowhere. I ended up cheating and finding that I had to place the clock at 9:10. My question is, why this time? I don't understand the how they got this particular time. Can someone explain this to me?