Mat Object: 1 MPI process
  type: nest
    MatNest, rows=2, cols=3, structure:
    (0,0) : type=seqaij, rows=2, cols=1
    (0,1) : type=seqaij, rows=2, cols=3
    (0,2) : type=seqaij, rows=2, cols=1
    (1,0) : NULL
    (1,1) : type=seqaij, rows=2, cols=3
    (1,2) : type=seqaij, rows=2, cols=1
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 2
0 0
1 1
Mat Object: 1 MPI process
  type: nest
    MatNest, rows=1, cols=3, structure:
    (0,0) : type=seqaij, rows=2, cols=1
    (0,1) : type=seqaij, rows=2, cols=3
    (0,2) : type=seqaij, rows=2, cols=1
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 1
0 0
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 3
0 1
1 2
2 3
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 1
0 4
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 2
0 2
1 3
Mat Object: 1 MPI process
  type: nest
    MatNest, rows=1, cols=3, structure:
    (0,0) : NULL
    (0,1) : type=seqaij, rows=2, cols=3
    (0,2) : type=seqaij, rows=2, cols=1
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 1
0 0
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 3
0 1
1 2
2 3
IS Object: 1 MPI process
  type: stride
Number of indices in (stride) set 1
0 4