|  | C31231211111133131211113313331333131211111211113313113313331333121111331333133313231311131 
  >> |  | C3123121111113313121111331333133313121111121111331311331333133312111133133313331323131113 
  << |  | C31231211111133131211113313331333131211111211113313113313331333121111331333133313231311133 
  >> |  |