|  | C1111233131211111211113313331333133313232321333133313331211113313331331121111331322333123231 
  >> |  | C111123313121111121111331333133313331323232133313331333121111331333133112111133132233312323 
  << |  | C1111233131211111211113313331333133313232321333133313331211113313331331121111331322333123233 
  >> |  |