|  | C111112111133131121133133313331333132213331333131133133313223313331333133112111113331333132313211211 
  >> |  | C11111211113313112113313331333133313221333133313113313331322331333133313311211111333133313231321121 
  << |  | C111112111133131121133133313331333132213331333131133133313223313331333133112111113331333132313211213 
  >> |  |