xper,xns,xew,xco
0.100000001 , 0.319846183 , 0.568995297 , 892.650024
0.200000003 , 0.407576144 , 0.657236040 , 1031.25000
0.300000012 , 0.665311158 , 0.790106237 , 1031.25000
0.500000000 , 1.15670729 , 1.23542333 , 1031.25000
1.00000000 , 0.607862771 , 0.922362566 , 562.650024
2.00000000 , 0.207050979 , 0.301477909 , 281.325012
3.00000000 , 6.68407157E-02 , 0.135191426 , 187.688004