|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111132313123121 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111113231312312 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111132313123123 
  >> |  |