xper,xns,xew,xco
0.100000001 , 0.351663679 , 0.440764755 , 892.650024
0.200000003 , 0.532229245 , 0.436679482 , 1031.25000
0.300000012 , 0.675840676 , 0.775875449 , 1031.25000
0.500000000 , 1.07394910 , 1.04465127 , 1031.25000
1.00000000 , 0.324173421 , 0.340811819 , 562.650024
2.00000000 , 6.96413741E-02 , 7.57668987E-02 , 281.325012
3.00000000 , 2.34519374E-02 , 3.97207849E-02 , 187.688004