xper,xns,xew,xco
0.100000001 , 2.19691277 , 2.67828035 , 892.650024
0.200000003 , 3.04603672 , 3.20221615 , 1031.25000
0.300000012 , 3.84647894 , 5.33492136 , 1031.25000
0.500000000 , 4.48621941 , 3.32218838 , 1031.25000
1.00000000 , 1.30497622 , 1.74805999 , 562.650024
2.00000000 , 0.534603059 , 1.17839241 , 281.325012
3.00000000 , 0.431491882 , 0.308937699 , 187.688004