|  | C312312111133131212111133133313331333133312133313113313331312111111331333133313331323133313231311331 
  >> |  | C31231211113313121211113313331333133313331213331311331333131211111133133313331333132313331323131133 
  << |  | C312312111133131212111133133313331333133312133313113313331312111111331333133313331323133313231311333 
  >> |  |