B3311331313231311331322331333132313331322331323133313331331121133121111331333132233122211
  >>
   B331133131323131133132233133313231333132233132313331333133112113312111133133313223312221
  <<
   B3311331313231311331322331333132313331322331323133313331331121133121111331333132233122213
  >>
 
 
 B3311331313231311331322331333132313331322331323133313331331121133121111331333132233122212
  >>