C111123313331323113313331333133313331323123231333131121211211
  >>
   C11112331333132311331333133313331333132312323133313112121121
  <<
   C111123313331323113313331333133313331323123231333131121211213
  >>
 
 
 C111123313331323113313331333133313331323123231333131121211212
  >>