xper,xns,xew,xco
0.100000001 , 0.601964951 , 1.24388027 , 892.650024
0.200000003 , 0.952569246 , 0.855232477 , 1031.25000
0.300000012 , 1.24549139 , 0.982007742 , 1031.25000
0.500000000 , 1.28414607 , 1.31123602 , 1031.25000
1.00000000 , 0.502399921 , 0.630891800 , 562.650024
2.00000000 , 6.61935434E-02 , 7.73778856E-02 , 281.325012
3.00000000 , 3.12045105E-02 , 3.51567976E-02 , 187.688004