|  | C1111233131211111211113313331333133313232313331333131333131211113313331333133313311211113313111131 
  >> |  | C111123313121111121111331333133313331323231333133313133313121111331333133313331331121111331311113 
  << |  | C1111233131211111211113313331333133313232313331333131333131211113313331333133313311211113313111133 
  >> |  |