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Lots of people take a long time to get this one. It's what I call an STF problem - Slap the Forehead." Unless you see it instantly, when you do see it you are

Lots of people take a long time to get this one. It's what I call an STF problem - Slap the Forehead." Unless you see it instantly, when you do see it you are so frustrated ...

alex_c 17y ago
Argh. Yes, that's exactly how I felt when I finally got it. :p
- danek 17y ago
  me too. wow, it's sooooo simple. the trick is to not think.