# Coons Patch Example
8  9                          # Number of sections, number of points per section
4                             # Number of curve definitions
0 [1:8]  1  9  0              # rows of curve type=0,sections, section number(s), start pt, end pt, isPeriodic
1 [1:4]  1  8  0              # rows of curve type=1, ribs, rib number(s), start pt, end pt, isPeriodic
1 [5:6]  1  7  1              # rows of curve type=1, ribs, rib number(s), start pt, end pt, isPeriodic
1 [7:9]  1  8  0              # rows of curve type=1, ribs, rib number(s), start pt, end pt, isPeriodic
2                             # Number of surface definitions
[1:2] [5:6]                   # rows of [start/end sections] [start/end ribs]
[1:8] [1:9]                   # rows of [start/end sections] [start/end ribs]
            0           -4            0
            3           -4            0
            6         -2.1         -1.4
            9            3            0
           12          2.3         -0.2
           15          1.7         -0.6
           18          1.7         -0.6
           21          1.7         -0.6
           24          1.7         -0.6
            0           -3            0
            3           -3            0
            6           -2         -0.5
            9            2           -1
           12            2         -0.5
           15            1           -1
           18            1           -1
           21            1           -1
           24            1           -1
            0           -2            0
            3           -2            0
            6         -1.5         -0.2
            9          0.5           -1
           12            1           -1
           15          0.5         -0.8
           18          0.5         -0.8
           21          0.5         -0.8
           24          0.5         -0.8
            0           -1            0
            3           -1            0
            6           -1            0
            9           -1            0
           12         -0.5         -0.1
           15          0.3         -0.5
           18            0          0.2
           21         -0.9          0.5
           24         -0.9          0.6
            0            0            0
            3            0            1
            6          0.5          0.8
            9         -0.5          0.8
           12            0          0.5
           15          0.5          0.1
           18          0.5          0.1
           21            0          1.1
           24            0          1.1
            0       1.0685      0.86995
            3       0.8527       1.0048
            6       0.8527       1.0048
            9       0.8527       1.0048
           12            1          0.9
           15            1          0.2
           18            1          0.2
           21            1          1.2
           24            1          1.2
            0       2.1444      -2.9769
            3       2.1473       1.0048
            6       2.1473       1.0048
            9       2.1473       1.0048
           12            2          0.4
           15          1.5            0
           18          1.5          0.4
           21          2.5          2.4
           24          2.5          2.4
            0            3            0
            3            3         -0.4
            6            3            0
            9            3            0
           12          2.3         -0.2
           15          1.7         -0.6
           18            2          0.6
           21            3          2.6
           24            3          2.6