xper,xns,xew,xco
0.100000001 , 0.920338154 , 1.28468156 , 892.650024
0.200000003 , 1.50170386 , 1.68523860 , 1031.25000
0.300000012 , 2.21556449 , 1.92671633 , 1031.25000
0.500000000 , 2.51320720 , 3.22207665 , 1031.25000
1.00000000 , 0.509695649 , 1.54163742 , 562.650024
2.00000000 , 8.18740204E-02 , 0.164438292 , 281.325012
3.00000000 , 3.22698168E-02 , 5.38984872E-02 , 187.688004