> 5 contour
103.012	-3.49843	5
103.096	-3.51133	5
103.179	-3.5332	5
103.204	-3.5423	5
103.262	-3.56313	5
103.324	-3.5923	5
103.346	-3.60263	5
103.411	-3.6423	5
103.429	-3.65422	5
103.478	-3.6923	5
103.512	-3.72016	5
103.538	-3.7423	5
103.583	-3.7923	5
103.596	-3.80605	5
103.606	-3.8423	5
103.596	-3.86665	5
103.582	-3.8923	5
103.572	-3.9423	5
103.596	-3.97755	5
103.631	-3.9923	5
103.679	-4.01196	5
103.749	-4.0423	5
103.762	-4.08852	5
103.764	-4.0923	5
103.771	-4.1423	5
103.775	-4.1923	5
103.781	-4.2423	5
103.782	-4.2923	5
103.825	-4.3423	5
103.794	-4.3923	5
103.762	-4.42907	5
103.679	-4.43093	5
103.663	-4.4423	5
103.671	-4.4923	5
103.679	-4.50967	5
103.709	-4.4923	5
103.762	-4.45658	5
103.818	-4.4923	5
103.815	-4.5423	5
103.801	-4.5923	5
103.773	-4.6423	5
103.766	-4.6923	5
103.762	-4.69413	5
103.757	-4.6923	5
103.736	-4.6423	5
103.679	-4.62709	5
103.623	-4.6423	5
103.596	-4.6923	5
103.596	-4.6941	5
103.588	-4.7423	5
103.574	-4.7923	5
103.596	-4.80785	5
103.649	-4.8423	5
103.632	-4.8923	5
103.596	-4.90344	5
103.572	-4.8923	5
103.512	-4.86985	5
103.429	-4.87936	5
103.41	-4.8923	5
103.429	-4.91014	5
103.512	-4.92206	5
103.539	-4.9423	5
103.594	-4.9923	5
103.551	-5.0423	5
103.512	-5.07633	5
103.493	-5.0923	5
103.43	-5.1423	5
103.429	-5.14277	5
103.348	-5.1923	5
103.346	-5.19384	5
103.262	-5.23348	5
103.238	-5.2423	5
103.179	-5.26382	5
103.096	-5.28507	5
103.049	-5.2923	5
103.012	-5.2983	5
102.929	-5.30375	5
102.846	-5.30051	5
102.774	-5.2923	5
102.762	-5.29103	5
102.679	-5.27333	5
102.596	-5.24618	5
102.586	-5.2423	5
102.512	-5.21044	5
102.479	-5.1923	5
102.429	-5.16431	5
102.395	-5.1423	5
102.346	-5.10668	5
102.329	-5.0923	5
102.274	-5.0423	5
102.262	-5.02974	5
102.23	-4.9923	5
102.187	-4.9423	5
102.179	-4.92979	5
102.155	-4.8923	5
102.121	-4.8423	5
102.1	-4.7923	5
102.096	-4.78403	5
102.072	-4.7423	5
102.057	-4.6923	5
102.037	-4.6423	5
102.029	-4.5923	5
102.016	-4.5423	5
102.014	-4.4923	5
102.012	-4.48044	5
102.005	-4.4423	5
102.009	-4.3923	5
102.006	-4.3423	5
102.012	-4.31066	5
102.016	-4.2923	5
102.018	-4.2423	5
102.032	-4.1923	5
102.041	-4.1423	5
102.062	-4.0923	5
102.078	-4.0423	5
102.096	-4.01145	5
102.106	-3.9923	5
102.128	-3.9423	5
102.164	-3.8923	5
102.179	-3.86897	5
102.184	-3.8923	5
102.262	-3.90661	5
102.306	-3.8923	5
102.314	-3.8423	5
102.262	-3.79567	5
102.241	-3.7923	5
102.262	-3.76838	5
102.286	-3.7423	5
102.344	-3.6923	5
102.346	-3.69083	5
102.414	-3.6423	5
102.429	-3.6387	5
102.509	-3.5923	5
102.512	-3.59024	5
102.516	-3.5923	5
102.596	-3.63994	5
102.605	-3.6423	5
102.679	-3.65205	5
102.699	-3.6423	5
102.72	-3.5923	5
102.762	-3.55825	5
102.812	-3.5923	5
102.846	-3.6158	5
102.917	-3.6423	5
102.929	-3.65272	5
102.941	-3.6423	5
102.96	-3.5923	5
102.988	-3.5423	5
103.012	-3.49843	5
> 5 contour
103.596	-4.08873	5
103.679	-4.09105	5
103.731	-4.0923	5
103.74	-4.1423	5
103.731	-4.1923	5
103.679	-4.21709	5
103.63	-4.1923	5
103.618	-4.1423	5
103.596	-4.10156	5
103.591	-4.0923	5
103.596	-4.08873	5
> 10 contour
102.596	-3.97896	10
102.679	-3.98762	10
102.705	-3.9923	10
102.762	-4.01513	10
102.846	-3.99334	10
102.85	-3.9923	10
102.929	-3.96089	10
103.007	-3.9923	10
103.012	-3.99773	10
103.037	-4.0423	10
103.096	-4.07357	10
103.179	-4.05686	10
103.215	-4.0423	10
103.262	-4.02012	10
103.324	-4.0423	10
103.262	-4.06543	10
103.23	-4.0923	10
103.262	-4.11805	10
103.346	-4.11824	10
103.374	-4.1423	10
103.346	-4.15312	10
103.266	-4.1923	10
103.346	-4.23572	10
103.372	-4.2423	10
103.369	-4.2923	10
103.346	-4.32713	10
103.329	-4.3423	10
103.346	-4.3543	10
103.376	-4.3923	10
103.395	-4.4423	10
103.37	-4.4923	10
103.401	-4.5423	10
103.378	-4.5923	10
103.346	-4.63444	10
103.338	-4.6423	10
103.346	-4.66241	10
103.371	-4.6923	10
103.346	-4.72848	10
103.262	-4.71062	10
103.215	-4.7423	10
103.262	-4.78841	10
103.267	-4.7923	10
103.262	-4.81083	10
103.221	-4.8423	10
103.179	-4.86902	10
103.131	-4.8923	10
103.096	-4.90778	10
103.012	-4.92955	10
102.929	-4.93729	10
102.846	-4.93196	10
102.762	-4.91801	10
102.693	-4.8923	10
102.679	-4.88646	10
102.604	-4.8423	10
102.596	-4.83667	10
102.542	-4.7923	10
102.512	-4.76307	10
102.492	-4.7423	10
102.457	-4.6923	10
102.429	-4.6484	10
102.425	-4.6423	10
102.404	-4.5923	10
102.382	-4.5423	10
102.374	-4.4923	10
102.364	-4.4423	10
102.365	-4.3923	10
102.365	-4.3423	10
102.376	-4.2923	10
102.386	-4.2423	10
102.41	-4.1923	10
102.429	-4.15032	10
102.512	-4.17217	10
102.553	-4.1423	10
102.512	-4.10239	10
102.5	-4.0923	10
102.503	-4.0423	10
102.512	-4.03323	10
102.556	-3.9923	10
102.596	-3.97896	10
> 15 contour
102.762	-4.08612	15
102.799	-4.0923	15
102.846	-4.12045	15
102.876	-4.1423	15
102.929	-4.1726	15
102.984	-4.1423	15
103.012	-4.13353	15
103.051	-4.1423	15
103.018	-4.1923	15
103.086	-4.2423	15
103.096	-4.26276	15
103.105	-4.2923	15
103.164	-4.3423	15
103.168	-4.3923	15
103.179	-4.40525	15
103.262	-4.43884	15
103.271	-4.4423	15
103.262	-4.47367	15
103.258	-4.4923	15
103.242	-4.5423	15
103.214	-4.5923	15
103.179	-4.59913	15
103.163	-4.5923	15
103.096	-4.56838	15
103.059	-4.5923	15
103.096	-4.62732	15
103.114	-4.6423	15
103.117	-4.6923	15
103.096	-4.70663	15
103.012	-4.73899	15
102.986	-4.7423	15
102.929	-4.75151	15
102.86	-4.7423	15
102.846	-4.74075	15
102.762	-4.72163	15
102.709	-4.6923	15
102.679	-4.66934	15
102.652	-4.6423	15
102.611	-4.5923	15
102.596	-4.56497	15
102.583	-4.5423	15
102.565	-4.4923	15
102.554	-4.4423	15
102.553	-4.3923	15
102.555	-4.3423	15
102.569	-4.2923	15
102.596	-4.28623	15
102.61	-4.2923	15
102.679	-4.31607	15
102.709	-4.2923	15
102.679	-4.26285	15
102.653	-4.2423	15
102.619	-4.1923	15
102.664	-4.1423	15
102.679	-4.12794	15
102.727	-4.0923	15
102.762	-4.08612	15
> 20 contour
102.762	-4.23885	20
102.846	-4.19766	20
102.929	-4.22572	20
102.979	-4.2423	20
103.012	-4.25702	20
103.049	-4.2923	20
103.096	-4.33141	20
103.109	-4.3423	20
103.116	-4.3923	20
103.131	-4.4423	20
103.121	-4.4923	20
103.096	-4.5275	20
103.012	-4.50923	20
102.95	-4.5423	20
103.012	-4.58945	20
103.016	-4.5923	20
103.012	-4.60252	20
102.929	-4.61833	20
102.846	-4.59824	20
102.825	-4.5923	20
102.762	-4.56062	20
102.748	-4.5423	20
102.703	-4.4923	20
102.695	-4.4423	20
102.683	-4.3923	20
102.683	-4.3423	20
102.748	-4.2923	20
102.76	-4.2423	20
102.762	-4.23885	20