> 3 contour
250.166	-8.05236	3
250.249	-8.03	3
250.333	-8.01518	3
250.416	-8.00509	3
250.499	-8.00501	3
250.583	-8.00952	3
250.666	-8.02048	3
250.749	-8.03793	3
250.825	-8.06073	3
250.833	-8.06291	3
250.916	-8.09164	3
250.999	-8.13443	3
251.016	-8.14407	3
251.083	-8.18268	3
251.146	-8.2274	3
251.166	-8.24274	3
251.244	-8.31073	3
251.249	-8.31554	3
251.324	-8.39407	3
251.333	-8.40492	3
251.39	-8.4774	3
251.416	-8.51703	3
251.443	-8.56073	3
251.485	-8.64407	3
251.499	-8.68087	3
251.519	-8.7274	3
251.546	-8.81073	3
251.566	-8.89407	3
251.578	-8.9774	3
251.583	-9.03745	3
251.585	-9.06073	3
251.585	-9.14407	3
251.583	-9.17314	3
251.579	-9.2274	3
251.567	-9.31073	3
251.548	-9.39407	3
251.521	-9.4774	3
251.499	-9.52912	3
251.487	-9.56073	3
251.445	-9.64407	3
251.416	-9.69237	3
251.393	-9.7274	3
251.333	-9.80393	3
251.327	-9.81073	3
251.249	-9.89256	3
251.248	-9.89407	3
251.166	-9.96514	3
251.15	-9.9774	3
251.083	-10.0252	3
251.021	-10.0607	3
250.999	-10.0734	3
250.916	-10.1156	3
250.833	-10.1439	3
250.832	-10.1441	3
250.749	-10.1689	3
250.666	-10.1862	3
250.583	-10.1971	3
250.499	-10.2014	3
250.416	-10.2016	3
250.333	-10.1915	3
250.249	-10.1767	3
250.166	-10.1544	3
250.136	-10.1441	3
250.083	-10.1267	3
249.999	-10.091	3
249.941	-10.0607	3
249.916	-10.0479	3
249.833	-9.99068	3
249.815	-9.9774	3
249.749	-9.92382	3
249.717	-9.89407	3
249.666	-9.84152	3
249.638	-9.81073	3
249.583	-9.73878	3
249.574	-9.7274	3
249.522	-9.64407	3
249.499	-9.60103	3
249.478	-9.56073	3
249.443	-9.4774	3
249.417	-9.39407	3
249.416	-9.39067	3
249.397	-9.31073	3
249.384	-9.2274	3
249.378	-9.14407	3
249.378	-9.06073	3
249.385	-8.9774	3
249.398	-8.89407	3
249.416	-8.81977	3
249.418	-8.81073	3
249.445	-8.7274	3
249.48	-8.64407	3
249.499	-8.60828	3
249.524	-8.56073	3
249.578	-8.4774	3
249.583	-8.47042	3
249.642	-8.39407	3
249.666	-8.36712	3
249.721	-8.31073	3
249.749	-8.28434	3
249.82	-8.2274	3
249.833	-8.21763	3
249.916	-8.15983	3
249.946	-8.14407	3
249.999	-8.1165	3
250.083	-8.08031	3
250.142	-8.06073	3
250.166	-8.05236	3
> 6 contour
250.249	-8.70746	6
250.333	-8.66872	6
250.416	-8.64463	6
250.499	-8.64591	6
250.583	-8.65509	6
250.666	-8.68097	6
250.745	-8.7274	6
250.749	-8.73012	6
250.833	-8.80607	6
250.837	-8.81073	6
250.898	-8.89407	6
250.916	-8.9414	6
250.93	-8.9774	6
250.946	-9.06073	6
250.946	-9.14407	6
250.932	-9.2274	6
250.916	-9.26873	6
250.9	-9.31073	6
250.839	-9.39407	6
250.833	-9.40085	6
250.749	-9.47687	6
250.749	-9.4774	6
250.666	-9.52613	6
250.583	-9.5519	6
250.501	-9.56073	6
250.499	-9.56092	6
250.416	-9.56224	6
250.411	-9.56073	6
250.333	-9.53843	6
250.249	-9.49977	6
250.218	-9.4774	6
250.166	-9.43573	6
250.127	-9.39407	6
250.083	-9.3288	6
250.071	-9.31073	6
250.036	-9.2274	6
250.022	-9.14407	6
250.023	-9.06073	6
250.038	-8.9774	6
250.072	-8.89407	6
250.083	-8.87801	6
250.128	-8.81073	6
250.166	-8.77102	6
250.221	-8.7274	6
250.249	-8.70746	6
> 9 contour
250.333	-8.86947	9
250.416	-8.82511	9
250.499	-8.82282	9
250.583	-8.84128	9
250.662	-8.89407	9
250.666	-8.8976	9
250.731	-8.9774	9
250.749	-9.04232	9
250.756	-9.06073	9
250.756	-9.14407	9
250.749	-9.1655	9
250.733	-9.2274	9
250.666	-9.30974	9
250.665	-9.31073	9
250.583	-9.3657	9
250.499	-9.38383	9
250.416	-9.38095	9
250.333	-9.33882	9
250.298	-9.31073	9
250.249	-9.25175	9
250.233	-9.2274	9
250.205	-9.14407	9
250.206	-9.06073	9
250.237	-8.9774	9
250.249	-8.95884	9
250.302	-8.89407	9
250.333	-8.86947	9
> 12 contour
250.416	-8.91621	12
250.499	-8.90599	12
250.583	-8.93384	12
250.632	-8.9774	12
250.666	-9.05576	12
250.668	-9.06073	12
250.67	-9.14407	12
250.666	-9.15194	12
250.634	-9.2274	12
250.583	-9.27459	12
250.499	-9.2994	12
250.416	-9.2887	12
250.333	-9.23026	12
250.33	-9.2274	12
250.284	-9.14407	12
250.285	-9.06073	12
250.333	-8.97977	12
250.335	-8.9774	12
250.416	-8.91621	12
> 15 contour
250.499	-8.94751	15
250.554	-8.9774	15
250.583	-8.99813	15
250.628	-9.06073	15
250.63	-9.14407	15
250.583	-9.21069	15
250.551	-9.2274	15
250.499	-9.25199	15
250.428	-9.2274	15
250.416	-9.22236	15
250.339	-9.14407	15
250.342	-9.06073	15
250.416	-8.98007	15
250.421	-8.9774	15
250.499	-8.94751	15
> 18 contour
250.416	-9.0396	18
250.499	-8.98799	18
250.583	-9.05222	18
250.589	-9.06073	18
250.593	-9.14407	18
250.583	-9.15817	18
250.499	-9.21088	18
250.416	-9.16512	18
250.395	-9.14407	18
250.397	-9.06073	18
250.416	-9.0396	18