|  | C312312111133131212111133133313331323133313233121111331311331333121111331333133313232222121 
  >> |  | C31231211113313121211113313331333132313331323312111133131133133312111133133313331323222212 
  << |  | C312312111133131212111133133313331323133313233121111331311331333121111331333133313232222123 
  >> |  |