|  | C3123223313331322121111331333133313331311331133133313331312111113331333133313331333121111133221 
  >> |  | C312322331333132212111133133313331333131133113313331333131211111333133313331333133312111113322 
  << |  | C3123223313331322121111331333133313331311331133133313331312111113331333133313331333121111133223 
  >> |  |