xper,xns,xew,xco
0.100000001 , 28.4982853 , 26.9356594 , 892.650024
0.200000003 , 36.5868416 , 48.6961937 , 1031.25000
0.300000012 , 78.1281052 , 62.0989761 , 1031.25000
0.500000000 , 62.3449097 , 64.4559402 , 1031.25000
1.00000000 , 10.2239885 , 13.9656649 , 562.650024
2.00000000 , 2.07800579 , 1.87102401 , 281.325012
3.00000000 , 0.733888984 , 0.876123011 , 187.688004