|  | C2221333133313331311233132313331333133313331322231333133313331333133313111133131 
  >> |  | C222133313331333131123313231333133313331333132223133313331333133313331311113313 
  << |  | C2221333133313331311233132313331333133313331322231333133313331333133313111133133 
  >> |  |