D1212132333131322331323331313132313233313231133132332211
  >>
   D121213233313132233132333131313231323331323113313233221
  <<
   D1212132333131322331323331313132313233313231133132332213
  >>
 
 
 D1212132333131322331323331313132313233313231133132332212
  >>