|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111112113211 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111111211321 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111112113213 
  >> |  |