xper,xns,xew,xco
0.100000001 , 200.221741 , 138.872116 , 1190.19995
0.200000003 , 256.162323 , 193.783005 , 1375.00000
0.300000012 , 361.083527 , 214.797073 , 1375.00000
0.500000000 , 612.169312 , 340.873749 , 1375.00000
1.00000000 , 148.821320 , 190.281418 , 800.250000
2.00000000 , 58.6544876 , 78.2117538 , 399.850006
3.00000000 , 36.8966103 , 37.6572227 , 266.750000