; spline s -yl -q        ss07
; points along a symmetric curve
              0               1 
           0.25         1.18899 
            0.5         1.41353 
           0.75         1.68087 
              1               2 
           1.25         2.38152 
            1.5         2.83553 
           1.75         3.37193 
              2               4 
           2.25         4.73167 
            2.5         5.60027 
           2.75          6.6612 
              3               8 
           3.25         9.71523 
            3.5          11.772 
           3.75         13.9882 
              4              16 " "
           4.25         17.3362 
            4.5         17.7962 
           4.75         17.3362 
              5              16 
           5.25         13.9882 
            5.5          11.772 
           5.75         9.71523 
              6               8 
           6.25          6.6612 
            6.5         5.60027 
           6.75         4.73167 
              7               4 
           7.25         3.37193 
            7.5         2.83553 
           7.75         2.38152 
              8               2 
           8.25         1.68087 
            8.5         1.41353 
           8.75         1.18899 
              9               1 
