PetscSF Object: 2 MPI processes
      current info with 2 keys. Ordered key-value pairs follow:
        petsc_test_info1 = info1
        petsc_test_info2 = info2
  [0] Number of roots=2, leaves=2, remote ranks=1
  [0] 0 <- (1,0)
  [0] 0 <- (1,1)
  [1] Number of roots=2, leaves=2, remote ranks=1
  [1] 0 <- (0,0)
  [1] 0 <- (0,1)
  [0] Roots referenced by my leaves, by rank
  [0] 1: 2 edges
  [0]    0 <- 0
  [0]    0 <- 1
  [1] Roots referenced by my leaves, by rank
  [1] 0: 2 edges
  [1]    0 <- 0
  [1]    0 <- 1
PetscSF Object: 2 MPI processes
      current info with 2 keys. Ordered key-value pairs follow:
        petsc_test_info1 = info1
        petsc_test_info2 = info2
  [0] Number of roots=2, leaves=1, remote ranks=1
  [0] 0 <- (1,0)
  [1] Number of roots=2, leaves=1, remote ranks=1
  [1] 0 <- (0,0)
  [0] Roots referenced by my leaves, by rank
  [0] 1: 1 edges
  [0]    0 <- 0
  [1] Roots referenced by my leaves, by rank
  [1] 0: 1 edges
  [1]    0 <- 0