X,Y,error_X,error_Y
38.8608623698436,6.87846376839255,3.72799672182225,3.01387908409138
107.143956423624,7.43531010318259,8.38369477157294,1.52998474003086
191.714351062369,6.91650907830175,13.9301358822072,1.0852362172527
234.352872833798,7.91686287008511,16.2786126490303,1.06974232850661
402.195541797566,5.92916832108499,28.1416314231107,0.742903091349776
400.298723054617,7.27963994224939,26.9394323989981,0.84476764076313
