B3311331313231311331322331333132313233313233313113313132322331323132323132211
  >>
   B331133131323131133132233133313231323331323331311331313232233132313232313221
  <<
   B3311331313231311331322331333132313233313233313113313132322331323132323132213
  >>
 
 
 B3311331313231311331322331333132313233313233313113313132322331323132323132212
  >>