B3311331313231311331322331333132313231323331333131211113313331333133313331311331333133313232212332231
  >>
   B331133131323131133132233133313231323132333133313121111331333133313331333131133133313331323221233223
  <<
   B3311331313231311331322331333132313231323331333131211113313331333133313331311331333133313232212332233
  >>
 
 
 B3311331313231311331322331333132313231323331333131211113313331333133313331311331333133313232212332232
  >>