DM Object: Distributed Mesh 3 MPI processes
  type: plex
Distributed Mesh in 2 dimensions:
  0-cells: 12 14 9
  1-cells: 23 25 16
  2-cells: 12 12 8
Labels:
  celltype: 3 strata with value/size (1 (23), 3 (12), 0 (12))
  depth: 3 strata with value/size (0 (12), 1 (23), 2 (12))
  marker: 2 strata with value/size (1 (4), 4 (9))
  Face Sets: 2 strata with value/size (1 (3), 4 (6))
  markerBottom: 1 strata with value/size (1 (4))
  markerRight: 0 strata with value/size ()
  markerTop: 0 strata with value/size ()
  markerLeft: 1 strata with value/size (1 (9))
Integral of pressure: 0.
Number of SNES iterations = 1
L_2 Error: 0.00627 [7.89e-05, 0.00627]
Integral of pressure: 0.