%IS Object: map1l2g 1 MPI process
%  type: general
map1l2g = [...
-1
];
%IS Object: l2g 1 MPI process
%  type: general
l2g = [...
-5
-4
-3
];
View world maps
ISLocalToGlobalMapping Object: map1 1 MPI process
  type not yet set
[0] 0 -2
ISLocalToGlobalMapping Object: map2 1 MPI process
  type not yet set
[0] 0:3 -6:-3
View world maps loaded from subcomm
ISLocalToGlobalMapping Object: 1 MPI process
  type not yet set
[0] 0 -2
ISLocalToGlobalMapping Object: 1 MPI process
  type not yet set
[0] 0:3 -6:-3
View sequential maps from rank 0 loaded from subcomm
ISLocalToGlobalMapping Object: 1 MPI process
  type not yet set
[0] 0 -2
ISLocalToGlobalMapping Object: 1 MPI process
  type not yet set
[0] 0:3 -6:-3