<VTKFile type="vtkMultiBlockDataSet" version="1.0" byte_order="LittleEndian" header_type="UInt64">
  <vtkMultiBlockDataSet>
    <DataSet index="0" name="PD_2" file="test_multiblock_hdf/test_multiblock_hdf_0_0.vtp"/>
    <Block index="1" name="GRP_1">
      <DataSet index="0" name="PD_1" file="test_multiblock_hdf/test_multiblock_hdf_1_0.vtp"/>
      <DataSet index="1" name="UG_1" file="test_multiblock_hdf/test_multiblock_hdf_2_0.vtu"/>
    </Block>
  </vtkMultiBlockDataSet>
</VTKFile>
