-1
    15
         1         0         0        11  -.10000D+01 -0.50000D+00  0.00000E+00
         2         0         0        11  0.00000D+00 -0.50000D+00  0.00000E+00
         3         0         0        11  1.00000D+00 -0.50000D+00  0.00000E+00
         4         0         0        11  1.00000D+00  0.50000D+00  0.00000E+00
         5         0         0        11  0.00000D+00  0.50000D+00  0.00000E+00
         6         0         0        11  0.00000D+00  0.00000D+00  0.00000E+00
         7         0         0        11  -.10000D+01  0.50000D+00  0.00000E+00
    -1
    -1
    71
         1         1        21         1         1         7         2
         1         2
         2         1        21         1         1         7         2
         2         3
         3         1        21         1         1         7         2
         3         4
         4         1        21         1         1         7         2
         4         5                        
         5         1        21         1         1         7         2
         5         6
         6         1        21         1         1         7         2
         6         5
         7         1        21         1         1         7         2
         5         7
         8         1        21         1         1         7         2
         7         1
    -1