B33113313132313113313223313331311331323331323331333132233132313221211
  >>
   B3311331313231311331322331333131133132333132333133313223313231322121
  <<
   B33113313132313113313223313331311331323331323331333132233132313221213
  >>
 
 
 B33113313132313113313223313331311331323331323331333132233132313221212
  >>