[0] ==========================
depth 1 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
IS Object: 1 MPI process
  type: general
Number of indices in set 0
depth 0 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
IS Object: 1 MPI process
  type: general
Number of indices in set 0
[1] ==========================
depth 1 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
  (   0) dof  3 offset   0
  (   1) dof  1 offset   3
  (   2) dof  1 offset   4
  (   3) dof  1 offset   5
  (   4) dof  1 offset   6
IS Object: 1 MPI process
  type: general
Number of indices in set 7
0 4
1 5
2 6
3 1
4 2
5 5
6 6
depth 0 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
  (   0) dof  2 offset   0
  (   1) dof  2 offset   2
  (   2) dof  2 offset   4
  (   3) dof  1 offset   6
  (   4) dof  1 offset   7
  (   5) dof  2 offset   8
  (   6) dof  2 offset  10
IS Object: 1 MPI process
  type: general
Number of indices in set 12
0 1
1 2
2 3
3 2
4 3
5 1
6 1
7 2
8 3
9 2
10 3
11 1
[2] ==========================
depth 1 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
  (   0) dof  3 offset   0
  (   1) dof  3 offset   3
  (   2) dof  1 offset   6
  (   3) dof  1 offset   7
  (   4) dof  1 offset   8
IS Object: 1 MPI process
  type: general
Number of indices in set 9
0 6
1 7
2 8
3 9
4 10
5 6
6 2
7 5
8 6
depth 0 ---------------
PetscSection Object: 1 MPI process
  type not yet set
Process 0:
  (   0) dof  2 offset   0
  (   1) dof  2 offset   2
  (   2) dof  2 offset   4
  (   3) dof  2 offset   6
  (   4) dof  2 offset   8
  (   5) dof  2 offset  10
  (   6) dof  1 offset  12
  (   7) dof  1 offset  13
  (   8) dof  2 offset  14
IS Object: 1 MPI process
  type: general
Number of indices in set 16
0 3
1 5
2 5
3 4
4 4
5 3
6 3
7 2
8 2
9 5
10 3
11 5
12 2
13 5
14 3
15 5