-19.6499767766  -0.764770088249
 -17.7437993497  -0.725290292615
 -14.6946586159  -0.757849512308
 -12.7290292615  -0.810218300046
 -10.7838365072  -0.74507663725
 -8.80854621458  -0.602995819786
 -5.85750116117  -0.321504876916
 -2.95178820251  -0.0293543892243
 0.0839758476544  0.265002322341
 3.07960984673  0.540106827682
 5.98866697631  0.813028332559
 8.90366929865  1.0517649791
 10.8366000929  1.18741291222
 12.7245703669  1.33158383651
 14.6210868556  1.42661402694
 16.5830004645  1.39561077566
 17.5892243381  1.35982350209
 19.6421737111  1.05536460752