x         y       sigma_y
-10.000000 -28.047149 1.000000
-9.310345 -27.088262 1.000000
-8.620690 -23.546613 1.000000
-7.931034 -21.337252 1.000000
-7.241379 -20.878755 1.000000
-6.551724 -19.080505 1.000000
-5.862069 -16.240306 1.000000
-5.172414 -15.526625 1.000000
-4.482759 -11.846209 1.000000
-3.793103 -8.994386 1.000000
-3.103448 -8.060382 1.000000
-2.413793 -4.708364 1.000000
-1.724138 -3.287138 1.000000
-1.034483 -2.103264 1.000000
-0.344828 0.278616 1.000000
0.344828 3.316005 1.000000
1.034483 4.902327 1.000000
1.724138 4.551660 1.000000
2.413793 10.091837 1.000000
3.103448 10.951376 1.000000
3.793103 14.318109 1.000000
4.482759 15.628101 1.000000
5.172414 18.218646 1.000000
5.862069 18.582989 1.000000
6.551724 22.758489 1.000000
7.241379 23.792608 1.000000
7.931034 27.981778 1.000000
8.620690 30.548043 1.000000
9.310345 32.001026 1.000000
10.000000 34.528234 1.000000