|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111331333222211 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111133133322221 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111331333222213 
  >> |  |