B3311331313231311331322331333132313331323131323223313133313133313231323133313331333211211
  >>
   B331133131323131133132233133313231333132313132322331313331313331323132313331333133321121
  <<
   B3311331313231311331322331333132313331323131323223313133313133313231323133313331333211213
  >>
 
 
 B3311331313231311331322331333132313331323131323223313133313133313231323133313331333211212
  >>