xper,xns,xew,xco
0.100000001 , 314.141876 , 343.633636 , 1083.50000
0.200000003 , 572.890930 , 575.157898 , 1250.00000
0.300000012 , 1103.09436 , 895.995239 , 1250.00000
0.500000000 , 475.855286 , 623.435730 , 1250.00000
1.00000000 , 137.044250 , 207.901962 , 700.000000
2.00000000 , 49.8497696 , 54.5823250 , 350.000000
3.00000000 , 19.3397903 , 23.7754021 , 233.500000