C111123313331323113313331323133313331311331311331333133313211232311211
  >>
   C11112331333132311331333132313331333131133131133133313331321123231121
  <<
   C111123313331323113313331323133313331311331311331333133313211232311213
  >>
 
 
 C111123313331323113313331323133313331311331311331333133313211232311212
  >>