D1212132333131322331323331313131323132322331313132333132313231131211
  >>
   D121213233313132233132333131313132313232233131313233313231323113121
  <<
   D1212132333131322331323331313131323132322331313132333132313231131213
  >>
 
 
 D1212132333131322331323331313131323132322331313132333132313231131212
  >>