C11111211113313112113313331333133313331333132313331333133313331311331333131123322333221
  >>
   C1111121111331311211331333133313331333133313231333133313331333131133133313112332233322
  <<
   C11111211113313112113313331333133313331333132313331333133313331311331333131123322333223
  >>
 
 
 C11111211113313112113313331333133313331333132313331333133313331311331333131123322333222
  >>