|  | C131121333133313233213331333133313331333133313331333133313331311331333132313123221 
  >> |  | C13112133313331323321333133313331333133313331333133313331333131133133313231312322 
  << |  | C131121333133313233213331333133313331333133313331333133313331311331333132313123223 
  >> |  |