xper,xns,xew,xco
0.100000001 , 0.499620736 , 0.589230657 , 892.650024
0.200000003 , 0.760192811 , 0.834289074 , 1031.25000
0.300000012 , 0.738453150 , 0.549387336 , 1031.25000
0.500000000 , 0.463899851 , 0.650493443 , 1031.25000
1.00000000 , 0.325531095 , 0.550315320 , 562.650024
2.00000000 , 5.09918481E-02 , 9.04272720E-02 , 281.325012
3.00000000 , 2.02626213E-02 , 2.83049010E-02 , 187.688004