|  | C31231211113313121211113313331333133313331213331311331311331333133313331333133313331333133112322221 
  >> |  | C3123121111331312121111331333133313331333121333131133131133133313331333133313331333133313311232222 
  << |  | C31231211113313121211113313331333133313331213331311331311331333133313331333133313331333133112322223 
  >> |  |