C111123313331323113313331333133313331323132333133313311213113311
  >>
   C11112331333132311331333133313331333132313233313331331121311331
  <<
   C111123313331323113313331333133313331323132333133313311213113313
  >>
 
 
 C111123313331323113313331333133313331323132333133313311213113312
  >>