|  | C31231211111133131211113313231333133313231333132313331333131133133313331333131232333131 
  >> |  | C3123121111113313121111331323133313331323133313231333133313113313331333133313123233313 
  << |  | C31231211111133131211113313231333133313231333132313331333131133133313331333131232333133 
  >> |  |