|  | C1311213331333132332133313331333133313331333133313331333133313331333131133131121131211121 
  >> |  | C131121333133313233213331333133313331333133313331333133313331333133313113313112113121112 
  << |  | C1311213331333132332133313331333133313331333133313331333133313331333131133131121131211123 
  >> |  |