B3311331313231311331322331333132313231333131323223313133313331323133313331323112222311
  >>
   B331133131323131133132233133313231323133313132322331313331333132313331333132311222231
  <<
   B3311331313231311331322331333132313231333131323223313133313331323133313331323112222313
  >>
 
 
 B3311331313231311331322331333132313231333131323223313133313331323133313331323112222312
  >>