B33113313132313113313223313331311331333131113331333133313231311331322131211
  >>
   B3311331313231311331322331333131133133313111333133313331323131133132213121
  <<
   B33113313132313113313223313331311331333131113331333133313231311331322131213
  >>
 
 
 B33113313132313113313223313331311331333131113331333133313231311331322131212
  >>