xper,xns,xew,xco
0.100000001 , 0.316551268 , 0.507758021 , 892.650024
0.200000003 , 0.400684088 , 0.492672086 , 1031.25000
0.300000012 , 0.453245729 , 0.731232584 , 1031.25000
0.500000000 , 0.989902556 , 1.06239951 , 1031.25000
1.00000000 , 0.414354503 , 0.589377284 , 562.650024
2.00000000 , 0.157918960 , 0.143686906 , 281.325012
3.00000000 , 7.50043690E-02 , 7.32187629E-02 , 187.688004