B3311331313231311331322331333132313233313233231333133313232113313232213331322121
  >>
   B331133131323131133132233133313231323331323323133313331323211331323221333132212
  <<
   B3311331313231311331322331333132313233313233231333133313232113313232213331322123
  >>
 
 
 B3311331313231311331322331333132313233313233231333133313232113313232213331322122
  >>