|  | C1111233131211111211113313331333133313232321333133313331333133112111113331333133313331121132221 
  >> |  | C111123313121111121111331333133313331323232133313331333133313311211111333133313331333112113222 
  << |  | C1111233131211111211113313331333133313232321333133313331333133112111113331333133313331121132223 
  >> |  |