|  | C1311213331333132332133313331333133313331333133313331333131211111211113313132333131 
  >> |  | C131121333133313233213331333133313331333133313331333133313121111121111331313233313 
  << |  | C1311213331333132332133313331333133313331333133313331333131211111211113313132333133 
  >> |  |