|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313231313331 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111113331323131333 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313231313333 
  >> |  |