|  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313333121121 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331312111112111113331333312112 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313121111121111133313333121123 
  >> |  |