|  | C1111233131211111211113313231333133313331323221211113313311211113313331311331333131133131231 
  >> |  | C111123313121111121111331323133313331333132322121111331331121111331333131133133313113313123 
  << |  | C1111233131211111211113313231333133313331323221211113313311211113313331311331333131133131233 
  >> |  |