               P               y               C           y_alt
    4.0573888225   -0.8029550685    0.4480031262   -0.8029550685
    4.7704046919   -0.7184334824    0.4875153595   -0.7184334824
    5.6114016316   -0.6339118962    0.5305124270   -0.6339118962
    6.6036250441   -0.5493903101    0.5773016781   -0.5493903101
    7.7745697983   -0.4648687239    0.6282175697   -0.4648687239
    9.1567597735   -0.3803471377    0.6836240563   -0.3803471377
   11.0030611420   -0.2856970014    0.7514902820   -0.2856970014
   12.7158224571   -0.2113039654    0.8095279610   -0.2113039654
   14.7375766816   -0.1355626180    0.8732244816   -0.1355626180
   19.2035461116    0.0000000000    1.0000000000    0.0000000000
   25.0404708790    0.1355626180    1.1451809025    0.1355626180
   29.0510672585    0.2113039654    1.2352877828    0.2113039654
   33.6210502918    0.2856970014    1.3306891972    0.2856970014
   40.4988034834    0.3803471377    1.4627922917    0.3803471377
   47.8316825604    0.4648687239    1.5918052092    0.4648687239
   56.5028065942    0.5493903101    1.7321965930    0.5493903101
   66.7574472571    0.6339118962    1.8849699822    0.6339118962
   78.8859318226    0.7184334824    2.0512174243    0.7184334824
   78.8859318226    0.7184334824    2.0512174243    0.7184334824
