Mesh in 3 dimensions:
  0-cells: 8
  3-cells: 6
Labels:
  marker: 1 strata of sizes (8)
  depth: 2 strata of sizes (8, 6)
Residual:
Vec Object: 1 MPI processes
  type: seq
-6.16667
1
-0.166667
0.333333
-4.33333
0.333333
0.5
8.5