DM Object:Simplicial Mesh 1 MPI processes
  type: plex
Simplicial Mesh in 3 dimensions:
  0-cells: 8
  1-cells: 18
  2-cells: 16
  3-cells: 5
Labels:
  Face Sets: 2 strata of sizes (4, 12)
  depth: 4 strata of sizes (8, 18, 16, 5)