B33113313132313113313223313331311331323331323331333132233132313232222211
  >>
   B3311331313231311331322331333131133132333132333133313223313231323222221
  <<
   B33113313132313113313223313331311331323331323331333132233132313232222213
  >>
 
 
 B33113313132313113313223313331311331323331323331333132233132313232222212
  >>