xper,xns,xew,xco
0.100000001 , 0.920854330 , 1.26865804 , 892.650024
0.200000003 , 1.50122023 , 1.67893350 , 1031.25000
0.300000012 , 2.21513128 , 1.92106152 , 1031.25000
0.500000000 , 2.51265621 , 3.23058820 , 1031.25000
1.00000000 , 0.529807091 , 1.53780735 , 562.650024
2.00000000 , 8.13295171E-02 , 0.164014563 , 281.325012
3.00000000 , 3.31770033E-02 , 5.43642715E-02 , 187.688004