B3311331313231311331322331333132313331322121133133313331333132332123231323221
  >>
   B331133131323131133132233133313231333132212113313331333133313233212323132322
  <<
   B3311331313231311331322331333132313331322121133133313331333132332123231323223
  >>
 
 
 B3311331313231311331322331333132313331322121133133313331333132332123231323222
  >>