|  | C31231211111133131211113313231333133313112121111331333131133133313331331121111331323133313331211131 
  >> |  | C3123121111113313121111331323133313331311212111133133313113313331333133112111133132313331333121113 
  << |  | C31231211111133131211113313231333133313112121111331333131133133313331331121111331323133313331211133 
  >> |  |