xper,xns,xew,xco
0.100000001 , 33.4072151 , 60.2363701 , 892.650024
0.200000003 , 43.7077713 , 57.9042587 , 1031.25000
0.300000012 , 54.8785172 , 117.488487 , 1031.25000
0.500000000 , 39.2306290 , 30.0460339 , 1031.25000
1.00000000 , 9.37225723 , 11.6794052 , 562.650024
2.00000000 , 1.41279256 , 2.86605859 , 281.325012
3.00000000 , 0.593443632 , 1.02018797 , 187.688004