|  | C131121333133313233213331333133313331333133313331333133313331333133313113313233231323221 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331311331323323132322 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313113313233231323223 
  >> |  |