xper,xns,xew,xco
0.100000001 , 314.180878 , 343.573151 , 892.650024
0.200000003 , 572.854797 , 575.093750 , 1031.25000
0.300000012 , 1103.06628 , 896.064392 , 1031.25000
0.500000000 , 475.819550 , 623.367126 , 1031.25000
1.00000000 , 137.015381 , 207.836182 , 562.650024
2.00000000 , 49.9212227 , 54.4710388 , 281.325012
3.00000000 , 19.3051090 , 19.7772923 , 187.688004