|  | C312312111111331312111133133313121111133313113313331313331312111133133313331322231323321 
  >> |  | C31231211111133131211113313331312111113331311331333131333131211113313331333132223132332 
  << |  | C312312111111331312111133133313121111133313113313331313331312111133133313331322231323323 
  >> |  |