DM Object: Sphere 1 MPI processes
  type: plex
Sphere in 2 dimensions:
  0-cells: 12
  1-cells: 30
  2-cells: 20
Labels:
  celltype: 3 strata with value/size (0 (12), 3 (20), 1 (30))
  depth: 3 strata with value/size (0 (12), 1 (30), 2 (20))
