|  | C131121333133313233213331333133313331333133313331333133313331333133313121111112113313222211 
  >> |  | C13112133313331323321333133313331333133313331333133313331333133313331312111111211331322221 
  << |  | C131121333133313233213331333133313331333133313331333133313331333133313121111112113313222213 
  >> |  |