|  | C1111233131211111211113313331333133313232321333133313331333133313231333133313331311332231 
  >> |  | C111123313121111121111331333133313331323232133313331333133313331323133313331333131133223 
  << |  | C1111233131211111211113313331333133313232321333133313331333133313231333133313331311332233 
  >> |  |