|  | C312312111111331312111133133313231333133313112331333133313331311331333133311212323311 
  >> |  | C31231211111133131211113313331323133313331311233133313331333131133133313331121232331 
  << |  | C312312111111331312111133133313231333133313112331333133313331311331333133311212323313 
  >> |  |