xper,xns,xew,xco
0.100000001 , 136.467392 , 130.763535 , 892.650024
0.200000003 , 143.472717 , 72.9144974 , 1031.25000
0.300000012 , 167.007355 , 131.352875 , 1031.25000
0.500000000 , 45.3944283 , 48.1080513 , 1031.25000
1.00000000 , 9.69437313 , 6.71574974 , 562.650024
2.00000000 , 1.25522923 , 1.26707149 , 281.325012
3.00000000 , 0.523361206 , 0.577944398 , 187.688004