C111123313331323113313331333133313331323132333133313211231133311
  >>
   C11112331333132311331333133313331333132313233313331321123113331
  <<
   C111123313331323113313331333133313331323132333133313211231133313
  >>
 
 
 C111123313331323113313331333133313331323132333133313211231133312
  >>