message: Adjusting parallel sample runs
diff: // Compile with: make exXXp
  //
  // Sample runs: mpirun -np 4 exXXp
  -// mpirun -np 4 exXXp -rs 2 -sc
  -// mpirun -np 4 exXXp -mt 3 -o 4 -sc
  -// mpirun -np 4 exXXp -mt 3 -rs 2 -o 4 -sc
  +// mpirun -np 4 exXXp -sc
  +// mpirun -np 4 exXXp -mt 3 -o 3 -sc
  +// mpirun -np 4 exXXp -mt 3 -rs 1 -o 4 -sc
  //
  // Description: This example code demonstrates the use of MFEM to define a
  // finite element discretization of a PDE on a 2 dimensional
  