> 3 contour
258.128	17.8872	3
258.178	17.908	3
258.228	17.8925	3
258.278	17.8703	3
258.328	17.8863	3
258.378	17.8955	3
258.428	17.9043	3
258.478	17.9072	3
258.528	17.91	3
258.578	17.9072	3
258.628	17.9043	3
258.678	17.8955	3
258.728	17.8864	3
258.778	17.8704	3
258.791	17.866	3
258.828	17.8548	3
258.878	17.8321	3
258.912	17.816	3
258.928	17.8086	3
258.978	17.7779	3
258.997	17.766	3
259.028	17.7451	3
259.063	17.716	3
259.078	17.7023	3
259.118	17.666	3
259.128	17.6556	3
259.162	17.616	3
259.178	17.5951	3
259.201	17.566	3
259.228	17.5249	3
259.233	17.516	3
259.261	17.466	3
259.278	17.4256	3
259.282	17.416	3
259.302	17.366	3
259.317	17.316	3
259.327	17.266	3
259.328	17.2657	3
259.361	17.216	3
259.363	17.166	3
259.378	17.1387	3
259.411	17.116	3
259.409	17.066	3
259.404	17.016	3
259.395	16.966	3
259.382	16.916	3
259.378	16.9032	3
259.367	16.866	3
259.349	16.816	3
259.328	16.769	3
259.327	16.766	3
259.3	16.716	3
259.278	16.6822	3
259.268	16.666	3
259.232	16.616	3
259.228	16.6105	3
259.189	16.566	3
259.178	16.5548	3
259.14	16.516	3
259.128	16.5047	3
259.079	16.466	3
259.078	16.4649	3
259.028	16.4271	3
259.009	16.416	3
258.978	16.3977	3
258.928	16.37	3
258.919	16.366	3
258.878	16.3484	3
258.828	16.3277	3
258.786	16.316	3
258.778	16.3137	3
258.728	16.2991	3
258.678	16.2909	3
258.628	16.2826	3
258.578	16.2801	3
258.528	16.2773	3
258.478	16.2801	3
258.428	16.2825	3
258.378	16.2909	3
258.328	16.2991	3
258.278	16.3138	3
258.271	16.316	3
258.228	16.3278	3
258.178	16.3484	3
258.137	16.366	3
258.128	16.3699	3
258.078	16.3977	3
258.047	16.416	3
258.028	16.4271	3
257.978	16.4649	3
257.977	16.466	3
257.928	16.5047	3
257.916	16.516	3
257.878	16.5548	3
257.867	16.566	3
257.828	16.6105	3
257.824	16.616	3
257.788	16.666	3
257.778	16.6823	3
257.756	16.716	3
257.729	16.766	3
257.728	16.769	3
257.707	16.816	3
257.689	16.866	3
257.678	16.9032	3
257.674	16.916	3
257.661	16.966	3
257.652	17.016	3
257.647	17.066	3
257.645	17.116	3
257.645	17.166	3
257.649	17.216	3
257.656	17.266	3
257.666	17.316	3
257.678	17.3557	3
257.681	17.366	3
257.696	17.416	3
257.716	17.466	3
257.728	17.4901	3
257.741	17.516	3
257.771	17.566	3
257.778	17.5764	3
257.804	17.616	3
257.828	17.6481	3
257.843	17.666	3
257.878	17.7034	3
257.89	17.716	3
257.928	17.7535	3
257.943	17.766	3
257.978	17.7928	3
258.009	17.816	3
258.028	17.8299	3
258.078	17.8588	3
258.091	17.866	3
258.128	17.8872	3
> 6 contour
258.278	17.6221	6
258.328	17.6448	6
258.378	17.6584	6
258.428	17.6432	6
258.478	17.6458	6
258.528	17.6474	6
258.578	17.6202	6
258.628	17.6432	6
258.668	17.616	6
258.678	17.6015	6
258.728	17.6029	6
258.77	17.616	6
258.778	17.6189	6
258.782	17.616	6
258.778	17.5917	6
258.775	17.566	6
258.778	17.5601	6
258.828	17.5309	6
258.847	17.516	6
258.878	17.49	6
258.904	17.466	6
258.928	17.44	6
258.947	17.416	6
258.978	17.366	6
258.978	17.3655	6
259.004	17.316	6
259.028	17.3018	6
259.078	17.2676	6
259.08	17.266	6
259.093	17.216	6
259.099	17.166	6
259.099	17.116	6
259.096	17.066	6
259.087	17.016	6
259.078	16.9843	6
259.073	16.966	6
259.055	16.916	6
259.03	16.866	6
259.028	16.8622	6
258.998	16.816	6
258.978	16.791	6
258.957	16.766	6
258.928	16.7348	6
258.906	16.716	6
258.878	16.6939	6
258.838	16.666	6
258.828	16.6591	6
258.778	16.6337	6
258.737	16.616	6
258.728	16.612	6
258.678	16.5973	6
258.628	16.5849	6
258.578	16.58	6
258.528	16.5766	6
258.478	16.58	6
258.428	16.5849	6
258.378	16.5973	6
258.328	16.6121	6
258.319	16.616	6
258.278	16.6338	6
258.228	16.6592	6
258.218	16.666	6
258.178	16.6939	6
258.15	16.716	6
258.128	16.7348	6
258.099	16.766	6
258.078	16.791	6
258.058	16.816	6
258.028	16.8622	6
258.026	16.866	6
258.001	16.916	6
257.983	16.966	6
257.978	16.9842	6
257.969	17.016	6
257.96	17.066	6
257.957	17.116	6
257.957	17.166	6
257.963	17.216	6
257.976	17.266	6
257.978	17.2735	6
257.991	17.316	6
258.012	17.366	6
258.028	17.3949	6
258.04	17.416	6
258.078	17.466	6
258.078	17.4664	6
258.122	17.516	6
258.128	17.5216	6
258.178	17.5622	6
258.183	17.566	6
258.228	17.5975	6
258.266	17.616	6
258.278	17.6221	6
> 9 contour
258.428	17.5176	9
258.478	17.5261	9
258.528	17.5301	9
258.578	17.5261	9
258.628	17.5176	9
258.633	17.516	9
258.678	17.5022	9
258.728	17.4808	9
258.737	17.466	9
258.778	17.4315	9
258.795	17.416	9
258.828	17.3835	9
258.863	17.366	9
258.878	17.3443	9
258.897	17.316	9
258.92	17.266	9
258.928	17.2387	9
258.935	17.216	9
258.943	17.166	9
258.945	17.116	9
258.94	17.066	9
258.928	17.016	9
258.928	17.0155	9
258.91	16.966	9
258.881	16.916	9
258.878	16.9116	9
258.843	16.866	9
258.828	16.8494	9
258.789	16.816	9
258.778	16.8074	9
258.728	16.7756	9
258.706	16.766	9
258.678	16.7539	9
258.628	16.7374	9
258.578	16.7293	9
258.528	16.7258	9
258.478	16.7293	9
258.428	16.7374	9
258.378	16.7539	9
258.35	16.766	9
258.328	16.7756	9
258.278	16.8076	9
258.267	16.816	9
258.228	16.8494	9
258.213	16.866	9
258.178	16.9116	9
258.175	16.916	9
258.146	16.966	9
258.128	17.0155	9
258.128	17.016	9
258.116	17.066	9
258.111	17.116	9
258.113	17.166	9
258.121	17.216	9
258.128	17.2387	9
258.136	17.266	9
258.159	17.316	9
258.178	17.3443	9
258.193	17.366	9
258.228	17.4069	9
258.238	17.416	9
258.278	17.4488	9
258.304	17.466	9
258.328	17.4807	9
258.378	17.5022	9
258.423	17.516	9
258.428	17.5176	9
> 12 contour
258.478	17.4266	12
258.528	17.4302	12
258.578	17.4266	12
258.619	17.416	12
258.628	17.4139	12
258.678	17.3939	12
258.721	17.366	12
258.728	17.3604	12
258.774	17.316	12
258.778	17.3105	12
258.808	17.266	12
258.827	17.216	12
258.828	17.2137	12
258.839	17.166	12
258.841	17.116	12
258.835	17.066	12
258.828	17.0446	12
258.82	17.016	12
258.793	16.966	12
258.778	16.9461	12
258.751	16.916	12
258.728	16.8956	12
258.684	16.866	12
258.678	16.8623	12
258.628	16.8413	12
258.578	16.8291	12
258.528	16.8258	12
258.478	16.8291	12
258.428	16.8413	12
258.378	16.8623	12
258.372	16.866	12
258.328	16.8956	12
258.305	16.916	12
258.278	16.9461	12
258.263	16.966	12
258.236	17.016	12
258.228	17.0444	12
258.221	17.066	12
258.215	17.116	12
258.217	17.166	12
258.228	17.2142	12
258.228	17.216	12
258.248	17.266	12
258.278	17.3105	12
258.282	17.316	12
258.328	17.3604	12
258.335	17.366	12
258.378	17.3939	12
258.428	17.4139	12
258.437	17.416	12
258.478	17.4266	12
> 15 contour
258.428	17.3295	15
258.478	17.3492	15
258.528	17.3515	15
258.578	17.3492	15
258.628	17.3295	15
258.653	17.316	15
258.678	17.3012	15
258.712	17.266	15
258.728	17.2384	15
258.741	17.216	15
258.757	17.166	15
258.761	17.116	15
258.751	17.066	15
258.729	17.016	15
258.728	17.0149	15
258.69	16.966	15
258.678	16.9549	15
258.628	16.9267	15
258.602	16.916	15
258.578	16.907	15
258.528	16.9045	15
258.478	16.907	15
258.454	16.916	15
258.428	16.9267	15
258.378	16.9549	15
258.366	16.966	15
258.328	17.0148	15
258.327	17.016	15
258.305	17.066	15
258.295	17.116	15
258.299	17.166	15
258.315	17.216	15
258.328	17.2385	15
258.344	17.266	15
258.378	17.3012	15
258.403	17.316	15
258.428	17.3295	15
> 18 contour
258.478	17.2788	18
258.528	17.2786	18
258.578	17.2788	18
258.6	17.266	18
258.628	17.2418	18
258.656	17.216	18
258.678	17.1833	18
258.685	17.166	18
258.69	17.116	18
258.678	17.0696	18
258.676	17.066	18
258.634	17.016	18
258.628	17.0114	18
258.578	16.9778	18
258.528	16.9775	18
258.478	16.9778	18
258.428	17.0114	18
258.422	17.016	18
258.38	17.066	18
258.378	17.0696	18
258.366	17.116	18
258.371	17.166	18
258.378	17.1833	18
258.4	17.216	18
258.428	17.2418	18
258.456	17.266	18
258.478	17.2788	18