B33113313132313113313223313331323133313223313231333133112323132333132233132212121
  >>
   B3311331313231311331322331333132313331322331323133313311232313233313223313221212
  <<
   B33113313132313113313223313331323133313223313231333133112323132333132233132212123
  >>
 
 
 B33113313132313113313223313331323133313223313231333133112323132333132233132212122
  >>