xper,xns,xew,xco
0.100000001 , 0.351608992 , 0.440739632 , 892.650024
0.200000003 , 0.532180727 , 0.436496258 , 1031.25000
0.300000012 , 0.675884604 , 0.775682092 , 1031.25000
0.500000000 , 1.07398200 , 1.04477835 , 1031.25000
1.00000000 , 0.324144721 , 0.340663612 , 562.650024
2.00000000 , 6.96106777E-02 , 7.58398548E-02 , 281.325012
3.00000000 , 2.34053414E-02 , 3.98936458E-02 , 187.688004