B331133131323131133132233133313233313133313223313331323223313123232211
  >>
   B33113313132313113313223313331323331313331322331333132322331312323221
  <<
   B331133131323131133132233133313233313133313223313331323223313123232213
  >>
 
 
 B331133131323131133132233133313233313133313223313331323223313123232212
  >>