xper,xns,xew,xco
0.100000001 , 0.539016366 , 0.849878907 , 892.650024
0.200000003 , 0.876318574 , 0.678043187 , 1031.25000
0.300000012 , 1.21219468 , 1.19005907 , 1031.25000
0.500000000 , 1.35866284 , 2.01211858 , 1031.25000
1.00000000 , 0.298447549 , 0.221422583 , 562.650024
2.00000000 , 6.02538213E-02 , 6.41860217E-02 , 281.325012
3.00000000 , 2.58427709E-02 , 2.39949450E-02 , 187.688004