B3311331313231311331322331333132333133313231332113313331333132322132223321
  >>
   B331133131323131133132233133313233313331323133211331333133313232213222332
  <<
   B3311331313231311331322331333132333133313231332113313331333132322132223323
  >>
 
 
 B3311331313231311331322331333132333133313231332113313331333132322132223322
  >>