|  | C111123313121111121111331333133313331323231333133313331333133112111113331311331312121 
  >> |  | C11112331312111112111133133313331333132323133313331333133313311211111333131133131212 
  << |  | C111123313121111121111331333133313331323231333133313331333133112111113331311331312123 
  >> |  |