B3311331313231311331322331333131133132313133313232213133322131
  >>
   B331133131323131133132233133313113313231313331323221313332213
  <<
   B3311331313231311331322331333131133132313133313232213133322133
  >>
 
 
 B3311331313231311331322331333131133132313133313232213133322132
  >>