0 4 2.000000
0 5 2.100000
0 8 4.000000
0 9 4.100000
0 0 0.000000
0 1 0.100000
0 2 1.000000
0 3 1.100000
*** Matrix A and vector x:
Mat Object: 1 MPI process
  type: shell
Vec Object: 1 MPI process
  type: seq
0.
0.1
1.
1.1
2.
2.1
0.
0.
4.
4.1
0.
0.
*** Vector rhs returned by MatZeroRowsColumns
Vec Object: 1 MPI process
  type: seq
0.
0.1
1.
1.1
2.
2.1
3.
3.2
4.
4.1
4.
4.1