B33113313132313113313223313331323132313331333133112111133133313331322333211
  >>
   B3311331313231311331322331333132313231333133313311211113313331333132233321
  <<
   B33113313132313113313223313331323132313331333133112111133133313331322333213
  >>
 
 
 B33113313132313113313223313331323132313331333133112111133133313331322333212
  >>