|  | C11112331312111112111133132313331333133313233313331312111133133313331311331333131211111333131223321 
  >> |  | C1111233131211111211113313231333133313331323331333131211113313331333131133133313121111133313122332 
  << |  | C11112331312111112111133132313331333133313233313331312111133133313331311331333131211111333131223323 
  >> |  |