B3311331313231311331322331333131133132311233132313331333132322121111331311331323232133221
  >>
   B331133131323131133132233133313113313231123313231333133313232212111133131133132323213322
  <<
   B3311331313231311331322331333131133132311233132313331333132322121111331311331323232133223
  >>
 
 
 B3311331313231311331322331333131133132311233132313331333132322121111331311331323232133222
  >>