xper,xns,xew,xco
0.100000001 , 314.152161 , 343.634613 , 1083.50000
0.200000003 , 572.880371 , 575.149902 , 1250.00000
0.300000012 , 1103.09558 , 896.000916 , 1250.00000
0.500000000 , 475.852325 , 623.432617 , 1250.00000
1.00000000 , 137.044083 , 207.896927 , 700.000000
2.00000000 , 49.8773270 , 54.5648956 , 350.000000
3.00000000 , 19.3374767 , 19.7171135 , 233.500000