1PetscSF Object: sf 3 MPI processes
2 type: basic
3 [0] Number of roots=103, leaves=0, remote ranks=0
4 [1] Number of roots=201, leaves=1, remote ranks=1
5 [1] 200 <- (2,300)
6 [2] Number of roots=301, leaves=0, remote ranks=0
7 MultiSF sort=rank-order
8