|  | C13112133313331323321333133313331333133313331333133313331333133313331311331323231311311 
  >> |  | C1311213331333132332133313331333133313331333133313331333133313331333131133132323131131 
  << |  | C13112133313331323321333133313331333133313331333133313331333133313331311331323231311313 
  >> |  |