B3311331313231311331322331333132313331322331323133313311211111131211111333132323221221
  >>
   B331133131323131133132233133313231333132233132313331331121111113121111133313232322122
  <<
   B3311331313231311331322331333132313331322331323133313311211111131211111333132323221223
  >>
 
 
 B3311331313231311331322331333132313331322331323133313311211111131211111333132323221222
  >>