C111123313331323113313331333133313331323132333133313331322133313221211
  >>
   C11112331333132311331333133313331333132313233313331333132213331322121
  <<
   C111123313331323113313331333133313331323132333133313331322133313221213
  >>
 
 
 C111123313331323113313331333133313331323132333133313331322133313221212
  >>