|  | C2221333133313331311233132313331333133313331311233133313311211113313331333133313331311211131 
  >> |  | C222133313331333131123313231333133313331333131123313331331121111331333133313331333131121113 
  << |  | C2221333133313331311233132313331333133313331311233133313311211113313331333133313331311211133 
  >> |  |