B3311331313231311331322331333131133133313231133133313331311331322113122321
  >>
   B331133131323131133132233133313113313331323113313331333131133132211312232
  <<
   B3311331313231311331322331333131133133313231133133313331311331322113122323
  >>
 
 
 B3311331313231311331322331333131133133313231133133313331311331322113122322
  >>