xper,xns,xew,xco
0.100000001 , 0.371611238 , 0.272495121 , 892.650024
0.200000003 , 0.553898573 , 0.502593279 , 1031.25000
0.300000012 , 0.296038210 , 0.373245895 , 1031.25000
0.500000000 , 0.279836208 , 0.301458299 , 1031.25000
1.00000000 , 0.123322576 , 0.169876575 , 562.650024
2.00000000 , 4.54421192E-02 , 4.34038006E-02 , 281.325012
3.00000000 , 1.49796670E-02 , 1.62774678E-02 , 187.688004