|  | C131121333133313233213331333133313331333133313331333133313331333133313223311211111 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331322331121111 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313223311211113 
  >> |  |