B3311331313231311331322331333131133133313111333133313331323133313232332231
  >>
   B331133131323131133132233133313113313331311133313331333132313331323233223
  <<
   B3311331313231311331322331333131133133313111333133313331323133313232332233
  >>
 
 
 B3311331313231311331322331333131133133313111333133313331323133313232332232
  >>