B33132212112331323223313211232333132313331322331333133313331311331333132313331322232211
  >>
   B3313221211233132322331321123233313231333132233133313331333131133133313231333132223221
  <<
   B33132212112331323223313211232333132313331322331333133313331311331333132313331322232213
  >>
 
 
 B33132212112331323223313211232333132313331322331333133313331311331333132313331322232212
  >>