xper,xns,xew,xco
0.100000001 , 718.570129 , 549.794067 , 1083.50000
0.200000003 , 881.983215 , 516.694336 , 1250.00000
0.300000012 , 2062.73340 , 1021.59509 , 1250.00000
0.500000000 , 606.554626 , 530.151611 , 1250.00000
1.00000000 , 212.448196 , 222.767319 , 700.000000
2.00000000 , 54.7530098 , 107.360794 , 350.000000
3.00000000 , 27.6421604 , 42.0114098 , 233.500000