xper,xns,xew,xco
0.100000001 , 0.351667285 , 0.440716952 , 892.650024
0.200000003 , 0.532232523 , 0.436867565 , 1031.25000
0.300000012 , 0.675837576 , 0.776071250 , 1031.25000
0.500000000 , 1.07394361 , 1.04452384 , 1031.25000
1.00000000 , 0.324178278 , 0.340949237 , 562.650024
2.00000000 , 6.96465448E-02 , 7.57474080E-02 , 281.325012
3.00000000 , 2.34564785E-02 , 3.95423733E-02 , 187.688004