xper,xns,xew,xco
0.100000001 , 0.464472294 , 0.426693052 , 892.650024
0.200000003 , 0.337592334 , 0.226626247 , 1031.25000
0.300000012 , 0.239277691 , 0.253377885 , 1031.25000
0.500000000 , 0.164201319 , 6.12793751E-02 , 1031.25000
1.00000000 , 5.03897071E-02 , 3.21110860E-02 , 562.650024
2.00000000 , 3.16619091E-02 , 2.15561781E-02 , 281.325012
3.00000000 , 2.12352034E-02 , 2.43042037E-02 , 187.688004