|  | C131121333133313233213331333133313331333133313331333133313331333133313121111113313232211 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331312111111331323221 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313121111113313232213 
  >> |  |