B33113313132313113313223313331311331333132311331333133313113313331333133313331323133313123231211
  >>
   B3311331313231311331322331333131133133313231133133313331311331333133313331333132313331312323121
  <<
   B33113313132313113313223313331311331333132311331333133313113313331333133313331323133313123231213
  >>
 
 
 B33113313132313113313223313331311331333132311331333133313113313331333133313331323133313123231212
  >>