DM Object: Distributed Mesh 5 MPI processes
  type: plex
Distributed Mesh in 2 dimensions:
  0-cells: 15 18 15 15 9
  1-cells: 22 24 22 22 12
  2-cells: 8 8 8 8 4
Labels:
  celltype: 3 strata with value/size (0 (15), 1 (22), 4 (8))
  depth: 3 strata with value/size (0 (15), 1 (22), 2 (8))
  marker: 2 strata with value/size (1 (9), 4 (5))
  Face Sets: 2 strata with value/size (1 (6), 4 (3))
  markerBottom: 1 strata with value/size (1 (9))
  markerRight: 0 strata with value/size ()
  markerTop: 0 strata with value/size ()
  markerLeft: 1 strata with value/size (1 (5))
Integral of pressure: -0.0387881
L_2 Error: 0.00418 [1.2e-05, 0.00418]
Integral of pressure: 0.