|  | C3123223313331322121111331333133313331333121211113312111113331333131333133313331333133313121111112121 
  >> |  | C312322331333132212111133133313331333133312121111331211111333133313133313331333133313331312111111212 
  << |  | C3123223313331322121111331333133313331333121211113312111113331333131333133313331333133313121111112123 
  >> |  |