B33113313132313113313223313331323133313223313231333133313131323132313223121
  >>
   B3311331313231311331322331333132313331322331323133313331313132313231322312
  <<
   B33113313132313113313223313331323133313223313231333133313131323132313223123
  >>
 
 
 B33113313132313113313223313331323133313223313231333133313131323132313223122
  >>