xper,xns,xew,xco
0.100000001 , 0.351621538 , 0.440749168 , 892.650024
0.200000003 , 0.532191813 , 0.436532706 , 1031.25000
0.300000012 , 0.675874352 , 0.775720775 , 1031.25000
0.500000000 , 1.07397389 , 1.04475331 , 1031.25000
1.00000000 , 0.324151993 , 0.340693712 , 562.650024
2.00000000 , 6.96181059E-02 , 7.58219585E-02 , 281.325012
3.00000000 , 2.34158803E-02 , 3.98593098E-02 , 187.688004