xper,xns,xew,xco
0.100000001 , 0.601598203 , 1.24362886 , 892.650024
0.200000003 , 0.952207088 , 0.699783623 , 1031.25000
0.300000012 , 1.24512446 , 0.737555861 , 1031.25000
0.500000000 , 0.760538936 , 0.874013543 , 1031.25000
1.00000000 , 0.408415079 , 0.630430520 , 562.650024
2.00000000 , 4.99137342E-02 , 6.97096959E-02 , 281.325012
3.00000000 , 2.58213859E-02 , 3.55969369E-02 , 187.688004