Patch DM Patch Mesh
  Coarse DM
  Processor [0] M 6 N 6 m 1 n 1 w 1 s 1
  X range of indices: 0 6, Y range of indices: 0 6
Patch 0: (0, 0, 0)--(2, 2, 1)
Processor [0] M 3 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=9, remote ranks=1
  [0] 0 <- (0,0)
  [0] 1 <- (0,1)
  [0] 2 <- (0,2)
  [0] 3 <- (0,6)
  [0] 4 <- (0,7)
  [0] 5 <- (0,8)
  [0] 6 <- (0,12)
  [0] 7 <- (0,13)
  [0] 8 <- (0,14)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 0 <- (0,0)
  [0] 1 <- (0,1)
  [0] 3 <- (0,6)
  [0] 4 <- (0,7)
Patch 1: (2, 0, 0)--(4, 2, 1)
Processor [0] M 4 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 4, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=12, remote ranks=1
  [0] 0 <- (0,1)
  [0] 1 <- (0,2)
  [0] 2 <- (0,3)
  [0] 3 <- (0,4)
  [0] 4 <- (0,7)
  [0] 5 <- (0,8)
  [0] 6 <- (0,9)
  [0] 7 <- (0,10)
  [0] 8 <- (0,13)
  [0] 9 <- (0,14)
  [0] 10 <- (0,15)
  [0] 11 <- (0,16)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 1 <- (0,2)
  [0] 2 <- (0,3)
  [0] 5 <- (0,8)
  [0] 6 <- (0,9)
Patch 2: (4, 0, 0)--(6, 2, 1)
Processor [0] M 3 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=9, remote ranks=1
  [0] 0 <- (0,3)
  [0] 1 <- (0,4)
  [0] 2 <- (0,5)
  [0] 3 <- (0,9)
  [0] 4 <- (0,10)
  [0] 5 <- (0,11)
  [0] 6 <- (0,15)
  [0] 7 <- (0,16)
  [0] 8 <- (0,17)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 1 <- (0,4)
  [0] 2 <- (0,5)
  [0] 4 <- (0,10)
  [0] 5 <- (0,11)
Patch 3: (0, 2, 0)--(2, 4, 1)
Processor [0] M 3 N 4 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 4
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=12, remote ranks=1
  [0] 0 <- (0,6)
  [0] 1 <- (0,7)
  [0] 2 <- (0,8)
  [0] 3 <- (0,12)
  [0] 4 <- (0,13)
  [0] 5 <- (0,14)
  [0] 6 <- (0,18)
  [0] 7 <- (0,19)
  [0] 8 <- (0,20)
  [0] 9 <- (0,24)
  [0] 10 <- (0,25)
  [0] 11 <- (0,26)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 3 <- (0,12)
  [0] 4 <- (0,13)
  [0] 6 <- (0,18)
  [0] 7 <- (0,19)
Patch 4: (2, 2, 0)--(4, 4, 1)
Processor [0] M 4 N 4 m 1 n 1 w 1 s 0
X range of indices: 0 4, Y range of indices: 0 4
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=16, remote ranks=1
  [0] 0 <- (0,7)
  [0] 1 <- (0,8)
  [0] 2 <- (0,9)
  [0] 3 <- (0,10)
  [0] 4 <- (0,13)
  [0] 5 <- (0,14)
  [0] 6 <- (0,15)
  [0] 7 <- (0,16)
  [0] 8 <- (0,19)
  [0] 9 <- (0,20)
  [0] 10 <- (0,21)
  [0] 11 <- (0,22)
  [0] 12 <- (0,25)
  [0] 13 <- (0,26)
  [0] 14 <- (0,27)
  [0] 15 <- (0,28)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 5 <- (0,14)
  [0] 6 <- (0,15)
  [0] 9 <- (0,20)
  [0] 10 <- (0,21)
Patch 5: (4, 2, 0)--(6, 4, 1)
Processor [0] M 3 N 4 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 4
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=12, remote ranks=1
  [0] 0 <- (0,9)
  [0] 1 <- (0,10)
  [0] 2 <- (0,11)
  [0] 3 <- (0,15)
  [0] 4 <- (0,16)
  [0] 5 <- (0,17)
  [0] 6 <- (0,21)
  [0] 7 <- (0,22)
  [0] 8 <- (0,23)
  [0] 9 <- (0,27)
  [0] 10 <- (0,28)
  [0] 11 <- (0,29)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 4 <- (0,16)
  [0] 5 <- (0,17)
  [0] 7 <- (0,22)
  [0] 8 <- (0,23)
Patch 6: (0, 4, 0)--(2, 6, 1)
Processor [0] M 3 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=9, remote ranks=1
  [0] 0 <- (0,18)
  [0] 1 <- (0,19)
  [0] 2 <- (0,20)
  [0] 3 <- (0,24)
  [0] 4 <- (0,25)
  [0] 5 <- (0,26)
  [0] 6 <- (0,30)
  [0] 7 <- (0,31)
  [0] 8 <- (0,32)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 3 <- (0,24)
  [0] 4 <- (0,25)
  [0] 6 <- (0,30)
  [0] 7 <- (0,31)
Patch 7: (2, 4, 0)--(4, 6, 1)
Processor [0] M 4 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 4, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=12, remote ranks=1
  [0] 0 <- (0,19)
  [0] 1 <- (0,20)
  [0] 2 <- (0,21)
  [0] 3 <- (0,22)
  [0] 4 <- (0,25)
  [0] 5 <- (0,26)
  [0] 6 <- (0,27)
  [0] 7 <- (0,28)
  [0] 8 <- (0,31)
  [0] 9 <- (0,32)
  [0] 10 <- (0,33)
  [0] 11 <- (0,34)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 5 <- (0,26)
  [0] 6 <- (0,27)
  [0] 9 <- (0,32)
  [0] 10 <- (0,33)
Patch 8: (4, 4, 0)--(6, 6, 1)
Processor [0] M 3 N 3 m 1 n 1 w 1 s 0
X range of indices: 0 3, Y range of indices: 0 3
PetscSF Object: Buffered Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=9, remote ranks=1
  [0] 0 <- (0,21)
  [0] 1 <- (0,22)
  [0] 2 <- (0,23)
  [0] 3 <- (0,27)
  [0] 4 <- (0,28)
  [0] 5 <- (0,29)
  [0] 6 <- (0,33)
  [0] 7 <- (0,34)
  [0] 8 <- (0,35)
PetscSF Object: Restricted Map 1 MPI process
  type not yet set
  [0] Number of roots=36, leaves=4, remote ranks=1
  [0] 4 <- (0,28)
  [0] 5 <- (0,29)
  [0] 7 <- (0,34)
  [0] 8 <- (0,35)