xper,xns,xew,xco
0.100000001 , 1.56734467 , 1.15944779 , 892.650024
0.200000003 , 1.96279335 , 1.85260439 , 1031.25000
0.300000012 , 2.76919484 , 2.06064844 , 1031.25000
0.500000000 , 2.38892078 , 2.12844753 , 1031.25000
1.00000000 , 0.903850257 , 0.511227489 , 562.650024
2.00000000 , 0.144192323 , 9.43417773E-02 , 281.325012
3.00000000 , 4.20147888E-02 , 3.16822417E-02 , 187.688004