|  | C13112133313331323321333133313331333133313331333133313331333133313121111133313331323212121 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111113331333132321212 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111133313331323212123 
  >> |  |