xper,xns,xew,xco
0.100000001 , 28.4962807 , 30.0965099 , 892.650024
0.200000003 , 36.5819130 , 47.7302780 , 1031.25000
0.300000012 , 78.1292267 , 62.7868500 , 1031.25000
0.500000000 , 62.3423691 , 64.2793121 , 1031.25000
1.00000000 , 10.2488356 , 13.9436216 , 562.650024
2.00000000 , 2.09527659 , 1.85521007 , 281.325012
3.00000000 , 0.743949890 , 0.865586460 , 187.688004