C22213331333133313112331323133313331333133313331333133313233211
  >>
   C2221333133313331311233132313331333133313331333133313331323321
  <<
   C22213331333133313112331323133313331333133313331333133313233213
  >>
 
 
 C22213331333133313112331323133313331333133313331333133313233212
  >>