B3311331313231311331322331333131133132333132333133313223313231311331322331311211
  >>
   B331133131323131133132233133313113313233313233313331322331323131133132233131121
  <<
   B3311331313231311331322331333131133132333132333133313223313231311331322331311213
  >>
 
 
 B3311331313231311331322331333131133132333132333133313223313231311331322331311212
  >>