|  | C11112331333132311331333133313331333112211231211111211111211111211111211113313231333133313231321 
  >> |  | C1111233133313231133133313331333133311221123121111121111121111121111121111331323133313331323132 
  << |  | C11112331333132311331333133313331333112211231211111211111211111211111211113313231333133313231323 
  >> |  |