xper,xns,xew,xco
0.100000001 , 0.485129714 , 0.387855649 , 892.650024
0.200000003 , 0.804704309 , 0.755247116 , 1031.25000
0.300000012 , 0.891628921 , 0.794818223 , 1031.25000
0.500000000 , 0.653555512 , 0.594512045 , 1031.25000
1.00000000 , 0.144649699 , 0.179529443 , 562.650024
2.00000000 , 6.10732585E-02 , 6.44937158E-02 , 281.325012
3.00000000 , 1.50191756E-02 , 2.18483135E-02 , 187.688004