|  | C2221333133313331311233132313331333133313331311233133313113313231333133313113313331333131121132221 
  >> |  | C222133313331333131123313231333133313331333131123313331311331323133313331311331333133313112113222 
  << |  | C2221333133313331311233132313331333133313331311233133313113313231333133313113313331333131121132223 
  >> |  |