|  | C31321211111333132331211113313331333133313121211113312111133132313331311331333133313231312121 
  >> |  | C3132121111133313233121111331333133313331312121111331211113313231333131133133313331323131212 
  << |  | C31321211111333132331211113313331333133313121211113312111133132313331311331333133313231312123 
  >> |  |