--------------------------------------------
 f[0] =                     1.957873051874192 
 --------------------------------------------
 x[   0] =              2037.877861972249320;  # _______x_____________ 
 x[   1] =                 4.050000000000000;  # ___________________XU 
 x[   2] =                 0.556720508244168;  # ___________x_________ 
 x[   3] =                 0.634706267597578;  # _____________x_______ 
 x[   4] =               451.651551268026708;  # __________________x__ 
 x[   5] =               224.694010381893037;  # ______x______________ 
 x[   6] =               221.438480026391431;  # ______x______________ 
 x[   7] =               266.073383180749886;  # ________x____________ 
 x[   8] =               357.959136257095849;  # _____________x_______ 
 x[   9] =               534.103756137101186;  # __________________x__ 
 x[  10] =                 0.503803600658255;  # __________x__________ 
 x[  11] =                 0.703454651366822;  # ______________x______ 
 x[  12] =                 0.699337598582430;  # ______________x______ 
 x[  13] =                 0.740616151130922;  # _______________x_____ 
 x[  14] =                 0.828619017919447;  # _________________x___ 
 x[  15] =                 0.902858462955913;  # ___________________x_ 
 x[  16] =                 1.723741272909181;  # __x__________________ 
 x[  17] =                 1.100000012876203;  # XL___________________ 
 x[  18] =                 1.050000000000000;  # XL___________________ 
 x[  19] =                 1.050000000000000;  # XL___________________ 
 x[  20] =                 1.050000000000000;  # XL___________________ 
 x[  21] =                 2.767484465494369;  # ___________________x_ 
 x[  22] =                 1.573418637044870;  # _______________x_____ 
 x[  23] =                 2.629307954701154;  # ___________________x_ 
 x[  24] =                 1.622878222456292;  # _______________x_____ 
 x[  25] =                 1.609380802712179;  # _______________x_____