B3311331313231311331322331333132313331323223211113313231333131211111333132213233121
  >>
   B331133131323131133132233133313231333132322321111331323133313121111133313221323312
  <<
   B3311331313231311331322331333132313331323223211113313231333131211111333132213233123
  >>
 
 
 B3311331313231311331322331333132313331323223211113313231333131211111333132213233122
  >>