> 4 contour
261.936	17.4109	4
261.982	17.374	4
261.986	17.3584	4
262.036	17.3556	4
262.086	17.3477	4
262.136	17.3393	4
262.186	17.325	4
262.189	17.324	4
262.236	17.3112	4
262.286	17.2913	4
262.327	17.274	4
262.336	17.2701	4
262.386	17.2432	4
262.419	17.224	4
262.436	17.2143	4
262.486	17.1778	4
262.491	17.174	4
262.536	17.1397	4
262.553	17.124	4
262.586	17.0918	4
262.604	17.074	4
262.636	17.0383	4
262.648	17.024	4
262.683	16.974	4
262.686	16.9699	4
262.717	16.924	4
262.736	16.8896	4
262.744	16.874	4
262.768	16.824	4
262.786	16.774	4
262.786	16.774	4
262.803	16.724	4
262.816	16.674	4
262.825	16.624	4
262.832	16.574	4
262.835	16.524	4
262.835	16.474	4
262.832	16.424	4
262.827	16.374	4
262.818	16.324	4
262.806	16.274	4
262.789	16.224	4
262.786	16.2151	4
262.772	16.174	4
262.75	16.124	4
262.736	16.0974	4
262.723	16.074	4
262.692	16.024	4
262.722	15.974	4
262.736	15.9523	4
262.786	15.9378	4
262.834	15.924	4
262.797	15.874	4
262.786	15.8603	4
262.757	15.824	4
262.736	15.8003	4
262.71	15.774	4
262.686	15.7513	4
262.657	15.724	4
262.636	15.7054	4
262.595	15.674	4
262.586	15.6678	4
262.536	15.6317	4
262.523	15.624	4
262.486	15.6021	4
262.436	15.5741	4
262.436	15.574	4
262.386	15.5509	4
262.336	15.5292	4
262.32	15.524	4
262.286	15.5121	4
262.236	15.4954	4
262.186	15.4841	4
262.141	15.474	4
262.136	15.4728	4
262.086	15.4658	4
262.036	15.4586	4
261.986	15.4564	4
261.936	15.4539	4
261.886	15.4564	4
261.836	15.4586	4
261.786	15.4658	4
261.736	15.4728	4
261.731	15.474	4
261.686	15.4841	4
261.636	15.4954	4
261.586	15.5121	4
261.552	15.524	4
261.536	15.5291	4
261.486	15.5509	4
261.436	15.574	4
261.436	15.5741	4
261.386	15.602	4
261.349	15.624	4
261.336	15.6317	4
261.286	15.6678	4
261.278	15.674	4
261.236	15.7054	4
261.215	15.724	4
261.186	15.7513	4
261.162	15.774	4
261.136	15.8004	4
261.115	15.824	4
261.086	15.8603	4
261.075	15.874	4
261.038	15.924	4
261.036	15.9267	4
261.006	15.974	4
260.986	16.011	4
260.979	16.024	4
260.953	16.074	4
260.936	16.1143	4
260.932	16.124	4
260.914	16.174	4
260.899	16.224	4
260.887	16.274	4
260.886	16.2781	4
260.876	16.324	4
260.869	16.374	4
260.864	16.424	4
260.862	16.474	4
260.862	16.524	4
260.864	16.574	4
260.87	16.624	4
260.878	16.674	4
260.886	16.7092	4
260.936	16.6908	4
260.96	16.674	4
260.986	16.6571	4
261.036	16.6697	4
261.039	16.674	4
261.069	16.724	4
261.036	16.7333	4
261.005	16.774	4
261.036	16.8087	4
261.086	16.774	4
261.104	16.824	4
261.128	16.874	4
261.136	16.8897	4
261.155	16.924	4
261.186	16.9699	4
261.189	16.974	4
261.224	17.024	4
261.199	17.074	4
261.236	17.1113	4
261.286	17.0918	4
261.319	17.124	4
261.336	17.1398	4
261.381	17.174	4
261.386	17.1778	4
261.436	17.2143	4
261.453	17.224	4
261.486	17.2433	4
261.536	17.2701	4
261.545	17.274	4
261.586	17.2913	4
261.636	17.3112	4
261.683	17.324	4
261.686	17.3249	4
261.736	17.3392	4
261.786	17.3477	4
261.836	17.3556	4
261.886	17.3584	4
261.89	17.374	4
261.936	17.4109	4
> 8 contour
261.736	16.9775	8
261.786	16.9937	8
261.836	17.0062	8
261.886	17.0119	8
261.936	17.0149	8
261.986	17.0119	8
262.036	17.0062	8
262.086	17.0167	8
262.136	16.9775	8
262.144	16.974	8
262.186	16.9547	8
262.236	16.9265	8
262.24	16.924	8
262.286	16.8894	8
262.304	16.874	8
262.336	16.8438	8
262.354	16.824	8
262.386	16.7804	8
262.391	16.774	8
262.421	16.724	8
262.436	16.69	8
262.443	16.674	8
262.46	16.624	8
262.47	16.574	8
262.476	16.524	8
262.476	16.474	8
262.472	16.424	8
262.463	16.374	8
262.448	16.324	8
262.436	16.295	8
262.427	16.274	8
262.399	16.224	8
262.386	16.2052	8
262.364	16.174	8
262.336	16.1411	8
262.319	16.124	8
262.336	16.1181	8
262.386	16.0995	8
262.402	16.074	8
262.39	16.024	8
262.386	16.0067	8
262.346	15.974	8
262.336	15.9661	8
262.286	15.9349	8
262.267	15.924	8
262.236	15.9068	8
262.186	15.8864	8
262.151	15.874	8
262.136	15.8683	8
262.086	15.856	8
262.036	15.8456	8
261.986	15.8415	8
261.936	15.8385	8
261.886	15.8414	8
261.836	15.8456	8
261.786	15.856	8
261.736	15.8683	8
261.721	15.874	8
261.686	15.8865	8
261.636	15.9068	8
261.605	15.924	8
261.586	15.9349	8
261.536	15.9661	8
261.526	15.974	8
261.486	16.0066	8
261.466	16.024	8
261.436	16.0533	8
261.418	16.074	8
261.386	16.1153	8
261.379	16.124	8
261.346	16.174	8
261.336	16.1935	8
261.32	16.224	8
261.3	16.274	8
261.286	16.3188	8
261.284	16.324	8
261.272	16.374	8
261.264	16.424	8
261.261	16.474	8
261.261	16.524	8
261.286	16.5333	8
261.336	16.552	8
261.352	16.574	8
261.336	16.5989	8
261.286	16.6194	8
261.274	16.624	8
261.286	16.6668	8
261.288	16.674	8
261.336	16.6907	8
261.363	16.674	8
261.371	16.624	8
261.386	16.6156	8
261.412	16.624	8
261.429	16.674	8
261.436	16.69	8
261.451	16.724	8
261.481	16.774	8
261.486	16.7805	8
261.518	16.824	8
261.536	16.8438	8
261.568	16.874	8
261.586	16.8894	8
261.632	16.924	8
261.636	16.9265	8
261.686	16.9547	8
261.728	16.974	8
261.736	16.9775	8
> 12 contour
261.836	16.8295	12
261.886	16.8403	12
261.936	16.8435	12
261.986	16.8402	12
262.036	16.8295	12
262.052	16.824	12
262.086	16.8122	12
262.136	16.7853	12
262.152	16.774	12
262.186	16.7471	12
262.209	16.724	12
262.236	16.6896	12
262.247	16.674	12
262.273	16.624	12
262.286	16.5851	12
262.29	16.574	12
262.299	16.524	12
262.299	16.474	12
262.293	16.424	12
262.286	16.4003	12
262.279	16.374	12
262.279	16.324	12
262.236	16.2775	12
262.221	16.274	12
262.186	16.2372	12
262.17	16.224	12
262.136	16.1987	12
262.089	16.174	12
262.114	16.124	12
262.097	16.074	12
262.086	16.0463	12
262.036	16.0329	12
261.986	16.0264	12
261.947	16.024	12
261.936	16.0233	12
261.925	16.024	12
261.886	16.0264	12
261.836	16.0329	12
261.786	16.0463	12
261.736	16.0647	12
261.718	16.074	12
261.686	16.091	12
261.636	16.124	12
261.636	16.1242	12
261.586	16.1691	12
261.581	16.174	12
261.539	16.224	12
261.536	16.2279	12
261.507	16.274	12
261.536	16.2877	12
261.556	16.324	12
261.536	16.3484	12
261.486	16.3667	12
261.466	16.374	12
261.456	16.424	12
261.451	16.474	12
261.452	16.524	12
261.458	16.574	12
261.486	16.585	12
261.536	16.6038	12
261.552	16.624	12
261.586	16.6634	12
261.625	16.674	12
261.636	16.6897	12
261.663	16.724	12
261.652	16.774	12
261.686	16.8069	12
261.736	16.7852	12
261.786	16.8122	12
261.82	16.824	12
261.836	16.8295	12
> 16 contour
261.986	16.7603	16
262.03	16.724	16
262.036	16.7019	16
262.086	16.676	16
262.088	16.674	16
262.132	16.624	16
262.136	16.6165	16
262.16	16.574	16
262.174	16.524	16
262.184	16.474	16
262.186	16.4705	16
262.218	16.424	16
262.214	16.374	16
262.186	16.3432	16
262.168	16.324	16
262.136	16.2913	16
262.086	16.3088	16
262.036	16.2821	16
262.016	16.274	16
262.036	16.2695	16
262.062	16.224	16
262.043	16.174	16
262.036	16.1564	16
261.986	16.1457	16
261.936	16.1426	16
261.886	16.1457	16
261.836	16.1564	16
261.788	16.174	16
261.786	16.1749	16
261.736	16.2016	16
261.706	16.224	16
261.686	16.2405	16
261.654	16.274	16
261.636	16.2992	16
261.62	16.324	16
261.596	16.374	16
261.586	16.4094	16
261.582	16.424	16
261.575	16.474	16
261.576	16.524	16
261.586	16.5283	16
261.593	16.524	16
261.636	16.5006	16
261.652	16.524	16
261.686	16.5667	16
261.712	16.574	16
261.736	16.6166	16
261.737	16.624	16
261.784	16.674	16
261.786	16.676	16
261.836	16.7019	16
261.886	16.7233	16
261.936	16.7238	16
261.936	16.724	16
261.986	16.7603	16
> 20 contour
261.886	16.6973	20
261.936	16.6976	20
261.967	16.674	20
261.936	16.6303	20
261.932	16.624	20
261.936	16.6057	20
261.986	16.607	20
262.024	16.574	20
262.036	16.5527	20
262.054	16.524	20
262.06	16.474	20
262.036	16.4262	20
262.035	16.424	20
261.99	16.374	20
261.986	16.3711	20
261.936	16.3733	20
261.886	16.3711	20
261.868	16.324	20
261.846	16.274	20
261.836	16.2677	20
261.794	16.274	20
261.786	16.2782	20
261.736	16.3236	20
261.736	16.324	20
261.699	16.374	20
261.686	16.4038	20
261.679	16.424	20
261.67	16.474	20
261.681	16.524	20
261.686	16.5304	20
261.696	16.524	20
261.736	16.5003	20
261.777	16.474	20
261.77	16.424	20
261.756	16.374	20
261.786	16.3468	20
261.801	16.374	20
261.836	16.4237	20
261.836	16.424	20
261.836	16.4264	20
261.812	16.474	20
261.818	16.524	20
261.836	16.5525	20
261.849	16.574	20
261.847	16.624	20
261.859	16.674	20
261.886	16.6973	20
> 20 contour
262.136	16.5003	20
262.157	16.474	20
262.186	16.4275	20
262.188	16.424	20
262.186	16.4041	20
262.173	16.374	20
262.136	16.324	20
262.136	16.3239	20
262.136	16.324	20
262.086	16.3486	20
262.048	16.374	20
262.086	16.4116	20
262.102	16.424	20
262.095	16.474	20
262.136	16.5003	20