xper,xns,xew,xco
0.100000001 , 314.180878 , 343.573151 , 1083.50000
0.200000003 , 572.854797 , 575.093750 , 1250.00000
0.300000012 , 1103.06628 , 896.064392 , 1250.00000
0.500000000 , 475.819550 , 623.367126 , 1250.00000
1.00000000 , 137.015381 , 207.836182 , 700.000000
2.00000000 , 49.9212227 , 54.4710388 , 350.000000
3.00000000 , 19.3051090 , 19.7772923 , 233.500000