|  | C2221333133313331311233132313331333133313111112111133133313221211111133132313331333133313331323232321 
  >> |  | C222133313331333131123313231333133313331311111211113313331322121111113313231333133313331333132323232 
  << |  | C2221333133313331311233132313331333133313111112111133133313221211111133132313331333133313331323232323 
  >> |  |