xper,xns,xew,xco
0.100000001 , 0.319620728 , 0.569207430 , 892.650024
0.200000003 , 0.407392681 , 0.657355130 , 1031.25000
0.300000012 , 0.665186107 , 0.790346563 , 1031.25000
0.500000000 , 1.15701532 , 1.23559797 , 1031.25000
1.00000000 , 0.607765555 , 0.922109902 , 562.650024
2.00000000 , 0.206849068 , 0.301915169 , 281.325012
3.00000000 , 6.68888167E-02 , 0.134665966 , 187.688004