xper,xns,xew,xco
0.100000001 , 0.319605380 , 0.569113910 , 892.650024
0.200000003 , 0.407380939 , 0.657302618 , 1031.25000
0.300000012 , 0.665177464 , 0.790240824 , 1031.25000
0.500000000 , 1.15703678 , 1.23551250 , 1031.25000
1.00000000 , 0.607759833 , 0.922222793 , 562.650024
2.00000000 , 0.206836149 , 0.301721364 , 281.325012
3.00000000 , 6.68869615E-02 , 0.134898365 , 187.688004