xper,xns,xew,xco
0.100000001 , 0.573105991 , 0.387292415 , 973.799988
0.200000003 , 1.20761120 , 0.618011415 , 1125.00000
0.300000012 , 1.58937347 , 1.00955296 , 1125.00000
0.500000000 , 0.870216191 , 0.742233932 , 1125.00000
1.00000000 , 0.263434440 , 0.130653426 , 675.000000
2.00000000 , 3.29212323E-02 , 2.70883087E-02 , 337.500000
3.00000000 , 1.76547077E-02 , 2.31374279E-02 , 225.000000