xper,xns,xew,xco
0.100000001 , 0.319473743 , 0.569252431 , 892.650024
0.200000003 , 0.407270223 , 0.657380581 , 1031.25000
0.300000012 , 0.665103972 , 0.790397823 , 1031.25000
0.500000000 , 1.15721595 , 1.23564517 , 1031.25000
1.00000000 , 0.607701659 , 0.922053695 , 562.650024
2.00000000 , 0.206714705 , 0.302009523 , 281.325012
3.00000000 , 6.69356734E-02 , 0.134553149 , 187.688004