C2221333133313331311233132313331333133313331323231322331312121
  >>
   C222133313331333131123313231333133313331333132323132233131212
  <<
   C2221333133313331311233132313331333133313331323231322331312123
  >>
 
 
 C2221333133313331311233132313331333133313331323231322331312122
  >>