xper,xns,xew,xco
0.100000001 , 11.9631863 , 13.9655285 , 892.650024
0.200000003 , 19.1320763 , 13.7915268 , 1031.25000
0.300000012 , 13.1333027 , 15.2515059 , 1031.25000
0.500000000 , 13.8625307 , 10.1149588 , 1031.25000
1.00000000 , 2.72600293 , 1.88533270 , 562.650024
2.00000000 , 0.438925654 , 0.501100779 , 281.325012
3.00000000 , 0.166674674 , 0.155173495 , 187.688004