B3311331313231311331322331333132313231333133313311211113313331322132222131
  >>
   B331133131323131133132233133313231323133313331331121111331333132213222213
  <<
   B3311331313231311331322331333132313231333133313311211113313331322132222133
  >>
 
 
 B3311331313231311331322331333132313231333133313311211113313331322132222132
  >>