David Schuetz << Winning the Decode This! puzzle at Black Hat >>ShmooCon 2013 - Crypto Puzzle Slides Fidelis Decode This 2012 - Archived Comments Mon, Sep 10, 2012 - ∞ - decode-this-2012 Nate September 10, 2012 at 10:43 pm That must have felt great! Congrats. Great to read how you got there. alexcohn September 11, 2012 at 6:17 am Actually the Fibonacci sequence is explicit in the drawing: the sizes of squares are: 1, 1, 2, …