|  | C312312111133131212111133133313331323133313233121111331311331333133313331333133323133313113313232231 
  >> |  | C31231211113313121211113313331333132313331323312111133131133133313331333133313332313331311331323223 
  << |  | C312312111133131212111133133313331323133313233121111331311331333133313331333133323133313113313232233 
  >> |  |