B3311331313231311331322331333132333133313223331211331333133313232313233311
  >>
   B331133131323131133132233133313233313331322333121133133313331323231323331
  <<
   B3311331313231311331322331333132333133313223331211331333133313232313233313
  >>
 
 
 B3311331313231311331322331333132333133313223331211331333133313232313233312
  >>