|  | C13112133313331323321333133313331333133313331333133313331333131133133313331322331121 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313113313331333132233112 
  << |  | C13112133313331323321333133313331333133313331333133313331333131133133313331322331123 
  >> |  |