D12121212121313233313232313231323123231323223313113313231313232212111
  >>
   D1212121212131323331323231323132312323132322331311331323131323221211
  <<
   D12121212121313233313232313231323123231323223313113313231313232212113
  >>
 
 
 D12121212121313233313232313231323123231323223313113313231313232212112
  >>