Vec Object: 4 MPI processes
  type: mpi
Process [0]
0
1
Process [1]
2
3
Process [2]
4
5
Process [3]
6
7
----
Vec Object: 4 MPI processes
  type: mpi
Process [0]
6
7
Process [1]
0
1
Process [2]
2
3
Process [3]
4
5
