|  | C131121333133313233213331333133313331333133313331333133313331333133313133313331311321 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331313331333131132 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313133313331311323 
  >> |  |