B331133131323131133132233133313233313133313223313331323223313231333132323311211
  >>
   B33113313132313113313223313331323331313331322331333132322331323133313232331121
  <<
   B331133131323131133132233133313233313133313223313331323223313231333132323311213
  >>
 
 
 B331133131323131133132233133313233313133313223313331323223313231333132323311212
  >>