[Paraview] node ordering mismatch when saving vtu as exodus and vice versa

[Hom Nath Gharti]

I think there is a mismatch in node ordering when we want to save vtu
file as exodus and vice versa for 20-noded hexahedral meshes. This is
due to the different node ordering scheme for VTK and exodus for this
particular element type.

e.g., if you open an attached vtu file, it is fine. If you save that
as .e file and open looks different. That was due the different
ordering!

Thanks,
HNG
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