https://tnl-project.gitlab.io/tnl/structTNL_1_1Meshes_1_1Topologies_1_1SubentityVertexMap_3_01Hexahedron_00_01Edge_00_016_00_010_01_4.html
Template Numerical Library: TNL::Meshes::Topologies::SubentityVertexMap Hexahedron, Edge, 6, 0 ...
templatenumericallibrarytnlmeshes