|  | C131121333133313233213331333133313331333133313331333133313331333133313112113121311 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331311211312131 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313112113121313 
  >> |  |