B3311331313231311331322331333132313331323223312113313331333133313121111122132121
  >>
   B331133131323131133132233133313231333132322331211331333133313331312111112213212
  <<
   B3311331313231311331322331333132313331323223312113313331333133313121111122132123
  >>
 
 
 B3311331313231311331322331333132313331323223312113313331333133313121111122132122
  >>