xper,xns,xew,xco
0.100000001 , 0.538950920 , 0.849908650 , 892.650024
0.200000003 , 0.876265466 , 0.678072393 , 1031.25000
0.300000012 , 1.21213448 , 1.19001806 , 1031.25000
0.500000000 , 1.35861385 , 2.01209283 , 1031.25000
1.00000000 , 0.298533142 , 0.221400589 , 562.650024
2.00000000 , 6.01952039E-02 , 6.41608238E-02 , 281.325012
3.00000000 , 2.58832332E-02 , 2.40244549E-02 , 187.688004