xper,xns,xew,xco
0.100000001 , 28.4921398 , 30.1079254 , 892.650024
0.200000003 , 36.5862465 , 47.7428207 , 1031.25000
0.300000012 , 78.1245193 , 62.7743797 , 1031.25000
0.500000000 , 62.3371735 , 64.2670975 , 1031.25000
1.00000000 , 10.2539692 , 13.9560633 , 562.650024
2.00000000 , 2.09015632 , 1.86827493 , 281.325012
3.00000000 , 0.738842309 , 0.852657318 , 187.688004