B331133131323131133132233133313231323331323133313113313113313223313221131
  >>
   B33113313132313113313223313331323132333132313331311331311331322331322113
  <<
   B331133131323131133132233133313231323331323133313113313113313223313221133
  >>
 
 
 B331133131323131133132233133313231323331323133313113313113313223313221132
  >>