|  | C111123313331323113313331333133313331122112312111133133313331333132313331311331333133313331312121 
  >> |  | C11112331333132311331333133313331333112211231211113313331333133313231333131133133313331333131212 
  << |  | C111123313331323113313331333133313331122112312111133133313331333132313331311331333133313331312123 
  >> |  |