#---------------
# Node list
#---------------
36 3 0 1 # number of nodes
# Front inflow face
1 -1 -1 0 0
2 -1 1 0 0
3 1 1 0 0
4 1 -1 0 0
# Bifurcation
5 -1 -1 5 0
6 -1 0 5 0
7 -1 1 5 0
8 1 1 5 0
9 1 0 5 0
10 1 -1 5 0
# Left bifurcation
11 -1 -3 10 0
12 -1 -2.5 10 0
13 1 -2.5 10 0
14 1 -3 10 0
# Right bifurcation
15 -1 2.5 10 0
16 -1 3 10 0
17 1 3 10 0
18 1 2.5 10 0
# OUTER BOUNDARY OF SOLID
# Front inflow face
19 -1.5 -1.5 0 0
20 -1.5 1.5 0 0
21 1.5 1.5 0 0
22 1.5 -1.5 0 0
# Bifurcation
23 -1.5 -1.5 5 0
24 -1.5 0 5.5 0
25 -1.5 1.5 5 0
26 1.5 1.5 5 0
27 1.5 0 5.5 0
28 1.5 -1.5 5 0
# Left bifurcation
29 -1.5 -3.5 10 0
30 -1.5 -1.5 10 0
31 1.5 -1.5 10 0
32 1.5 -3.5 10 0
# Right bifurcation
33 -1.5 1.5 10 0
34 -1.5 3.5 10 0
35 1.5 3.5 10 0
36 1.5 1.5 10 0
#---------------
# Face list
#---------------
27 1 # number of faces; yes, we do have boundary markers
# Inner boundary of main branch
#------------------------------
# inflow face
2 1 1 # two polygons, one hole, boundary 1
4 1 2 3 4 # four vertices and their indices in node list
4 19 20 21 22 # four vertices and their indices in node list
1 0 0 0 # hole and coordinates
# left main branch face
1 0 4 # one polygon, zero holes, boundary 4
4 1 4 10 5 # four vertices and their indices in node list
# upper main branch face
1 0 5 # one polygon, zero holes, boundary 5
5 4 3 8 9 10 # five vertices and their indices in node list
# right main branch face
1 0 6 # one polygon, zero holes, boundary 6
4 2 3 8 7 # four vertices and their indices in node list
# lower main branch face
1 0 7 # one polygon, zero holes, boundary 7
5 1 2 7 6 5 # five vertices and their indices in node list
# Outer boundary of main branch
#------------------------------
# left main branch face
1 0 16 # one polygon, zero holes, boundary 16
4 19 22 28 23 # four vertices and their indices in node list
# upper main branch face
1 0 17 # one polygon, zero holes, boundary 17
5 22 21 26 27 28 # five vertices and their indices in node list
# right main branch face
1 0 18 # one polygon, zero holes, boundary 18
4 20 21 26 25 # four vertices and their indices in node list
# lower main branch face
1 0 19 # one polygon, zero holes, boundary 19
5 19 20 25 24 23 # five vertices and their indices in node list
# Inner boundary of left bifurcation
#-----------------------------------
# left left-bifurcation face
1 0 8 # one polygon, zero holes, boundary 8
4 5 10 14 11 # four vertices and their indices in node list
# upper left-bifurcation face
1 0 9 # one polygon, zero holes, boundary 9
4 10 9 13 14 # four vertices and their indices in node list
# right left-bifurcation face
1 0 10 # one polygon, zero holes, boundary 10
4 6 9 13 12 # four vertices and their indices in node list
# lower left-bifurcation face
1 0 11 # one polygon, zero holes, boundary 11
4 5 6 12 11 # four vertices and their indices in node list
# left-bifurcation outflow face
2 1 2 # two polygons, one hole, boundary 2
4 11 12 13 14 # four vertices and their indices in node list
4 29 30 31 32 # four vertices and their indices in node list
1 0 -2.75 10 # hole and its coordinates
# Outer boundary of left bifurcation
#-----------------------------------
# left left-bifurcation face
1 0 20 # one polygon, zero holes, boundary 20
4 23 28 32 29 # four vertices and their indices in node list
# upper left-bifurcation face
1 0 21 # one polygon, zero holes, boundary 21
4 28 27 31 32 # four vertices and their indices in node list
# right left-bifurcation face
1 0 22 # one polygon, zero holes, boundary 22
4 24 27 31 30 # four vertices and their indices in node list
# lower left-bifurcation face
1 0 23 # one polygon, zero holes, boundary 23
4 23 24 30 29 # four vertices and their indices in node list
# Inner boundary of right bifurcation
#-------------------------------------
# left right-bifurcation face
1 0 12 # one polygon, zero holes, boundary 12
4 6 9 18 15 # four vertices and their indices in node list
# upper right-bifurcation face
1 0 13 # one polygon, zero holes, boundary 13
4 9 8 17 18 # four vertices and their indices in node list
# right right-bifurcation face
1 0 14 # one polygon, zero holes, boundary 14
4 7 8 17 16 # four vertices and their indices in node list
# lower right-bifurcation face
1 0 15 # one polygon, zero holes, boundary 15
4 6 7 16 15 # four vertices and their indices in node list
# right-bifurcation outflow face
2 1 3 # two polygons, one hole, boundary 3
4 15 16 17 18 # four vertices and their indices in node list
4 33 34 35 36 # four vertices and their indices in node list
1 0 3 10 # hole and its coordinates
# Outer boundary of right bifurcation
#------------------------------------
# left right-bifurcation face
1 0 24 # one polygon, zero holes, boundary 24
4 24 27 36 33 # four vertices and their indices in node list
# upper right-bifurcation face
1 0 25 # one polygon, zero holes, boundary 25
4 27 26 35 36 # four vertices and their indices in node list
# right right-bifurcation face
1 0 26 # one polygon, zero holes, boundary 26
4 26 25 34 35 # four vertices and their indices in node list
# lower right-bifurcation face
1 0 27 # one polygon, zero holes, boundary 27
4 24 25 34 33 # four vertices and their indices in node list
#---------------
# Hole list
#---------------
1 # number of holes
1 0 0 3 # hole 1 and its coordinates
#---------------
# Region list
#---------------
0