|  | C1111233133313231133133313331333133311221123121111121111121111121111121111331323331312311 
  >> |  | C111123313331323113313331333133313331122112312111112111112111112111112111133132333131231 
  << |  | C1111233133313231133133313331333133311221123121111121111121111121111121111331323331312313 
  >> |  |