Original matrix
Mat Object: 1 MPI processes
  type: seqaij
row 0: (3, 1.) 
row 1: (2, 2.) 
row 2: (1, 3.)  (5, 4.) 
row 3: (0, 5.)  (6, 6.) 
row 4: (1, 7.)  (4, 8.) 
Permuted matrix
Mat Object: 1 MPI processes
  type: seqaij
row 0: (3, 7.)  (6, 8.) 
row 1: (0, 4.)  (3, 3.) 
row 2: (4, 2.) 
row 3: (1, 1.) 
row 4: (2, 6.)  (5, 5.) 
Row permutation
IS Object: 1 MPI processes
  type: general
Index set is permutation
Number of indices in set 5
0 4
1 2
2 1
3 0
4 3
Column permutation
IS Object: 1 MPI processes
  type: general
Index set is permutation
Number of indices in set 7
0 5
1 3
2 6
3 1
4 2
5 0
6 4
