|  | C13112133313331323321333133313331333133313331333133313331333133313331322331323233121 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331333132233132323312 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313331322331323233123 
  >> |  |