|  | C131121333133313233213331333133313331333133313331333133313331333131212111133133313123121121 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313121211113313331312312112 
  << |  | C131121333133313233213331333133313331333133313331333133313331333131212111133133313123121123 
  >> |  |