D12121323331311132313232213231232313132313232233132313221311
  >>
   D1212132333131113231323221323123231313231323223313231322131
  <<
   D12121323331311132313232213231232313132313232233132313221313
  >>
 
 
 D12121323331311132313232213231232313132313232233132313221312
  >>