xper,xns,xew,xco
0.100000001 , 33.4075089 , 60.2392883 , 892.650024
0.200000003 , 43.7080650 , 57.9014320 , 1031.25000
0.300000012 , 54.8782234 , 117.491394 , 1031.25000
0.500000000 , 39.2303276 , 30.0430717 , 1031.25000
1.00000000 , 9.37254429 , 11.6765032 , 562.650024
2.00000000 , 1.41323924 , 2.86310172 , 281.325012
3.00000000 , 0.593155682 , 1.02302492 , 187.688004