B3311331313231311331322331333132333132211312111133133313331312111133133112133221
  >>
   B331133131323131133132233133313233313221131211113313331333131211113313311213322
  <<
   B3311331313231311331322331333132333132211312111133133313331312111133133112133223
  >>
 
 
 B3311331313231311331322331333132333132211312111133133313331312111133133112133222
  >>