|  | C312312111133131212111133133313331323133313233121111331311331333133313331333132313113313331333323321 
  >> |  | C31231211113313121211113313331333132313331323312111133131133133313331333133313231311331333133332332 
  << |  | C312312111133131212111133133313331323133313233121111331311331333133313331333132313113313331333323323 
  >> |  |