C2221333133313331311233132313331333133313331311233132322232212131
  >>
   C222133313331333131123313231333133313331333131123313232223221213
  <<
   C2221333133313331311233132313331333133313331311233132322232212133
  >>
 
 
 C2221333133313331311233132313331333133313331311233132322232212132
  >>