B33113313132313113313223313331323133313231333132333133313113313331333131112233221
  >>
   B3311331313231311331322331333132313331323133313233313331311331333133313111223322
  <<
   B33113313132313113313223313331323133313231333132333133313113313331333131112233223
  >>
 
 
 B33113313132313113313223313331323133313231333132333133313113313331333131112233222
  >>