|  | C11112331312111112111133132313331333133313233313331312111133133313331311331333132213331323132313121 
  >> |  | C1111233131211111211113313231333133313331323331333131211113313331333131133133313221333132313231312 
  << |  | C11112331312111112111133132313331333133313233313331312111133133313331311331333132213331323132313123 
  >> |  |