D12121323331313223313233313131313231323133313123232233132313231211
  >>
   D1212132333131322331323331313131323132313331312323223313231323121
  <<
   D12121323331313223313233313131313231323133313123232233132313231213
  >>
 
 
 D12121323331313223313233313131313231323133313123232233132313231212
  >>