B3311331313231311331322331333132333133313231332113313331333133313132233133313233331211
  >>
   B331133131323131133132233133313233313331323133211331333133313331313223313331323333121
  <<
   B3311331313231311331322331333132333133313231332113313331333133313132233133313233331213
  >>
 
 
 B3311331313231311331322331333132333133313231332113313331333133313132233133313233331212
  >>