B33113313132313113313223313331323133313223313231333133313331211113313223231311
  >>
   B3311331313231311331322331333132313331322331323133313331333121111331322323131
  <<
   B33113313132313113313223313331323133313223313231333133313331211113313223231313
  >>
 
 
 B33113313132313113313223313331323133313223313231333133313331211113313223231312
  >>