trishaposner: "How Turing solved the enigma of Solitaire: Codebreaker's letter to girl, 8, explains how to crack the game (and...

Trisha Posner @trishaposner :
"How Turing solved the enigma of Solitaire: Codebreaker's letter to girl, 8, explains how to crack the game (and... http://fb.me/1umxrWB1d