PetscSection Object: NULL SECTION 1 MPI process
  type not yet set
Process 0:
  (   0) dof 0 offset   0
IS Object: NULL PARTITION 1 MPI process
  type: stride
Number of indices in (stride) set 0
PetscSection Object: SEQ SECTION 1 MPI process
  type not yet set
Process 0:
  (   0) dof 4 offset   0
IS Object: SEQ PARTITION 1 MPI process
  type: stride
Number of indices in (stride) set 4
0 0
1 1
2 2
3 3
PetscSection Object: PARVOID SECTION 1 MPI process
  type not yet set
Process 0:
  (   0) dof 4 offset   0
IS Object: PARVOID PARTITION 1 MPI process
  type: stride
Number of indices in (stride) set 4
0 0
1 1
2 2
3 3