D12121323331322331313232223132313231333132313223313132333132313132211
  >>
   D1212132333132233131323222313231323133313231322331313233313231313221
  <<
   D12121323331322331313232223132313231333132313223313132333132313132213
  >>
 
 
 D12121323331322331313232223132313231333132313223313132333132313132212
  >>