DM Object: box 1 MPI process
  type: plex
box in 2 dimensions:
  Number of 0-cells per rank: 81
  Number of 1-cells per rank: 208
  Number of 2-cells per rank: 128
Labels:
  celltype: 3 strata with value/size (0 (81), 1 (208), 3 (128))
  depth: 3 strata with value/size (0 (81), 1 (208), 2 (128))
  marker: 1 strata with value/size (1 (64))
  Face Sets: 4 strata with value/size (1 (14), 2 (14), 3 (14), 4 (14))
Initial guess
L_2 Error: < 1.0e-11
Initial Residual
L_2 Residual: 0.
Au - b = Au + F(0)
Linear L_2 Residual: 0.
Solution boundary integral: 3.333