B3311331313231311331322331333131211111133132333133313231323133313232213232233131
  >>
   B331133131323131133132233133313121111113313233313331323132313331323221323223313
  <<
   B3311331313231311331322331333131211111133132333133313231323133313232213232233133
  >>
 
 
 B3311331313231311331322331333131211111133132333133313231323133313232213232233132
  >>