B3311331313231311331322331333132333133313223331211331333133313231333131133132331233231
  >>
   B331133131323131133132233133313233313331322333121133133313331323133313113313233123323
  <<
   B3311331313231311331322331333132333133313223331211331333133313231333131133132331233233
  >>
 
 
 B3311331313231311331322331333132333133313223331211331333133313231333131133132331233232
  >>