xper,xns,xew,xco
0.100000001 , 0.316759259 , 0.508009851 , 892.650024
0.200000003 , 0.400869697 , 0.492939234 , 1031.25000
0.300000012 , 0.453444064 , 0.731571674 , 1031.25000
0.500000000 , 0.989688337 , 1.06278861 , 1031.25000
1.00000000 , 0.414027900 , 0.589556158 , 562.650024
2.00000000 , 0.157990053 , 0.143799409 , 281.325012
3.00000000 , 7.47936666E-02 , 7.34368563E-02 , 187.688004