xper,xns,xew,xco
0.100000001 , 200.069260 , 138.897797 , 1190.19995
0.200000003 , 256.007538 , 193.812439 , 1375.00000
0.300000012 , 361.241882 , 214.826431 , 1375.00000
0.500000000 , 612.332520 , 340.908356 , 1375.00000
1.00000000 , 148.992477 , 190.249680 , 800.250000
2.00000000 , 58.8205414 , 78.1808929 , 399.850006
3.00000000 , 41.6494522 , 37.6877861 , 266.750000