|  | C222133313331333131123313231333133313331333131123313331311331323133313331333131331121 
  >> |  | C22213331333133313112331323133313331333133313112331333131133132313331333133313133112 
  << |  | C222133313331333131123313231333133313331333131123313331311331323133313331333131331123 
  >> |  |