xper,xns,xew,xco
0.100000001 , 200.108078 , 138.878326 , 1190.19995
0.200000003 , 256.044708 , 193.791611 , 1375.00000
0.300000012 , 361.203491 , 214.806274 , 1375.00000
0.500000000 , 612.291748 , 340.890381 , 1375.00000
1.00000000 , 148.950241 , 190.266495 , 800.250000
2.00000000 , 58.7719269 , 78.2100220 , 399.850006
3.00000000 , 41.5690308 , 37.6778030 , 266.750000