B3311331313231311331322331333132313331322121133133313331333133313223223121
  >>
   B331133131323131133132233133313231333132212113313331333133313331322322312
  <<
   B3311331313231311331322331333132313331322121133133313331333133313223223123
  >>
 
 
 B3311331313231311331322331333132313331322121133133313331333133313223223122
  >>