xper,xns,xew,xco
0.100000001 , 4.63707447 , 4.59339142 , 892.650024
0.200000003 , 6.93034315 , 7.21441126 , 1031.25000
0.300000012 , 8.28824139 , 13.9294519 , 1031.25000
0.500000000 , 16.6384563 , 14.2005615 , 1031.25000
1.00000000 , 7.86301708 , 8.74638462 , 562.650024
2.00000000 , 2.86361504 , 3.60185742 , 281.325012
3.00000000 , 2.75931358 , 1.77212346 , 187.688004