B331133131323131133132233133313231323132333133313112331333132322331333131223131
  >>
   B33113313132313113313223313331323132313233313331311233133313232233133313122313
  <<
   B331133131323131133132233133313231323132333133313112331333132322331333131223133
  >>
 
 
 B331133131323131133132233133313231323132333133313112331333132322331333131223132
  >>