|  | C1111233131211111211113313331333133313112113121111113313331211113313331311331333133313231221 
  >> |  | C111123313121111121111331333133313331311211312111111331333121111331333131133133313331323122 
  << |  | C1111233131211111211113313331333133313112113121111113313331211113313331311331333133313231223 
  >> |  |