|  | C131121333133313233213331333133313331333133313331333133313331333133313113313231322211 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331311331323132221 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313113313231322213 
  >> |  |