> 15 contour
102.175	-5.68508	15
102.16	-5.67698	15
102.077	-5.62868	15
102.033	-5.60175	15
101.994	-5.57682	15
101.91	-5.52181	15
101.905	-5.51842	15
101.827	-5.46329	15
101.789	-5.43508	15
101.744	-5.40137	15
101.681	-5.35175	15
101.66	-5.33503	15
101.58	-5.26842	15
101.577	-5.26597	15
101.494	-5.19189	15
101.486	-5.18508	15
101.41	-5.11283	15
101.399	-5.10175	15
101.327	-5.02901	15
101.317	-5.01842	15
101.244	-4.93938	15
101.24	-4.93508	15
101.168	-4.85175	15
101.16	-4.84261	15
101.099	-4.76842	15
101.077	-4.74015	15
101.035	-4.68508	15
100.994	-4.62895	15
100.974	-4.60175	15
100.917	-4.51842	15
100.91	-4.50839	15
100.863	-4.43508	15
100.827	-4.3762	15
> 15 contour
105.779	-5.68508	15
105.827	-5.65799	15
105.91	-5.60819	15
105.921	-5.60175	15
105.994	-5.55472	15
106.048	-5.51842	15
106.077	-5.49827	15
106.16	-5.43789	15
106.164	-5.43508	15
106.244	-5.37509	15
106.273	-5.35175	15
106.327	-5.30776	15
106.373	-5.26842	15
106.41	-5.23628	15
106.467	-5.18508	15
106.494	-5.16031	15
106.554	-5.10175	15
106.577	-5.07937	15
106.636	-5.01842	15
106.66	-4.99231	15
106.713	-4.93508	15
106.744	-4.9009	15
106.786	-4.85175	15
106.827	-4.8022	15
106.854	-4.76842	15
106.91	-4.69604	15
106.919	-4.68508	15
106.979	-4.60175	15
106.994	-4.58103	15
107.036	-4.51842	15
107.077	-4.4559	15
107.09	-4.43508	15
107.141	-4.35175	15
107.16	-4.31754	15
107.189	-4.26842	15
107.234	-4.18508	15
107.244	-4.16621	15
> 15 contour
107.244	-0.751685	15
107.208	-0.685083	15
107.162	-0.60175	15
107.16	-0.599677	15
107.112	-0.518416	15
107.077	-0.461336	15
107.06	-0.435083	15
107.005	-0.35175	15
106.994	-0.335696	15
106.946	-0.268416	15
106.91	-0.220368	15
106.884	-0.185083	15
106.827	-0.11374	15
106.817	-0.10175	15
106.747	-0.0184163	15
106.744	-0.0146158	15
106.672	0.064917	15
106.66	0.0770959	15
106.593	0.14825	15
106.577	0.164398	15
106.508	0.231584	15
106.494	0.245618	15
106.418	0.314917	15
106.41	0.322054	15
106.327	0.393686	15
106.322	0.39825	15
106.244	0.461192	15
106.217	0.481584	15
106.16	0.524421	15
106.105	0.564917	15
106.077	0.585156	15
105.994	0.641962	15
105.984	0.64825	15
105.91	0.695371	15
105.85	0.731584	15
105.827	0.745523	15
105.744	0.79284	15
105.702	0.814917	15
> 15 contour
102.25	0.814917	15
102.244	0.811336	15
102.16	0.764588	15
102.103	0.731584	15
102.077	0.71616	15
101.994	0.664079	15
101.97	0.64825	15
101.91	0.608674	15
101.848	0.564917	15
101.827	0.550036	15
101.744	0.487611	15
101.736	0.481584	15
101.66	0.421105	15
101.632	0.39825	15
101.577	0.351717	15
101.535	0.314917	15
101.494	0.277256	15
101.445	0.231584	15
101.41	0.198018	15
101.361	0.14825	15
101.327	0.113754	15
101.281	0.064917	15
101.244	0.0237285	15
101.207	-0.0184163	15
101.16	-0.0733883	15
101.137	-0.10175	15
101.077	-0.175878	15
101.07	-0.185083	15
101.007	-0.268416	15
100.994	-0.287602	15
100.949	-0.35175	15
100.91	-0.408902	15
100.893	-0.435083	15
100.841	-0.518416	15
100.827	-0.54119	15
> 18 contour
103.41	0.0731848	18
103.494	0.0905787	18
103.577	0.105135	18
103.66	0.115609	18
103.744	0.125902	18
103.827	0.132264	18
103.91	0.135871	18
103.994	0.136583	18
104.077	0.134582	18
104.16	0.128647	18
104.244	0.122533	18
104.327	0.112444	18
104.41	0.0996711	18
104.494	0.0838143	18
104.577	0.0651096	18
104.578	0.064917	18
104.66	0.0421146	18
104.744	0.0187522	18
104.827	-0.00888792	18
104.853	-0.0184163	18
104.91	-0.039664	18
104.994	-0.0741487	18
105.055	-0.10175	18
105.077	-0.112035	18
105.16	-0.155061	18
105.218	-0.185083	18
105.244	-0.19903	18
105.327	-0.248518	18
105.358	-0.268416	18
105.41	-0.302184	18
105.481	-0.35175	18
105.494	-0.360873	18
105.577	-0.424875	18
105.589	-0.435083	18
105.66	-0.496135	18
105.686	-0.518416	18
105.744	-0.570146	18
105.776	-0.60175	18
105.827	-0.652915	18
105.857	-0.685083	18
105.91	-0.743597	18
105.932	-0.768416	18
105.994	-0.84378	18
106	-0.85175	18
106.062	-0.935083	18
106.077	-0.955933	18
106.119	-1.01842	18
106.16	-1.08391	18
106.172	-1.10175	18
106.221	-1.18508	18
106.244	-1.22604	18
106.266	-1.26842	18
106.307	-1.35175	18
106.327	-1.3959	18
106.344	-1.43508	18
106.378	-1.51842	18
106.409	-1.60175	18
106.41	-1.60515	18
106.436	-1.68508	18
106.46	-1.76842	18
106.482	-1.85175	18
106.494	-1.90538	18
106.5	-1.93508	18
106.516	-2.01842	18
106.529	-2.10175	18
106.539	-2.18508	18
106.546	-2.26842	18
106.551	-2.35175	18
106.553	-2.43508	18
106.552	-2.51842	18
106.549	-2.60175	18
106.543	-2.68508	18
106.534	-2.76842	18
106.523	-2.85175	18
106.509	-2.93508	18
106.494	-3.01012	18
106.492	-3.01842	18
106.472	-3.10175	18
106.449	-3.18508	18
106.424	-3.26842	18
106.41	-3.308	18
106.395	-3.35175	18
106.363	-3.43508	18
106.327	-3.51842	18
106.327	-3.51877	18
106.288	-3.60175	18
106.245	-3.68508	18
106.244	-3.68833	18
106.198	-3.76842	18
106.16	-3.82957	18
106.147	-3.85175	18
106.092	-3.93508	18
106.077	-3.9574	18
106.033	-4.01842	18
105.994	-4.06893	18
105.968	-4.10175	18
105.91	-4.16926	18
105.896	-4.18508	18
105.827	-4.25982	18
105.819	-4.26842	18
105.744	-4.34229	18
105.733	-4.35175	18
105.66	-4.416	18
105.639	-4.43508	18
105.577	-4.48684	18
105.536	-4.51842	18
105.494	-4.5506	18
105.422	-4.60175	18
105.41	-4.60958	18
105.327	-4.66277	18
105.29	-4.68508	18
105.244	-4.71207	18
105.16	-4.75593	18
105.136	-4.76842	18
105.077	-4.79866	18
104.994	-4.83657	18
104.957	-4.85175	18
104.91	-4.87096	18
104.827	-4.90163	18
104.744	-4.92926	18
104.723	-4.93508	18
104.66	-4.95242	18
104.577	-4.9752	18
104.494	-4.99386	18
104.41	-5.00969	18
104.354	-5.01842	18
104.327	-5.02251	18
104.244	-5.0325	18
104.16	-5.03859	18
104.077	-5.04447	18
103.994	-5.04647	18
103.91	-5.04576	18
103.827	-5.0421	18
103.744	-5.03579	18
103.66	-5.02561	18
103.603	-5.01842	18
103.577	-5.01517	18
103.494	-5.00067	18
103.41	-4.98333	18
103.327	-4.96291	18
103.244	-4.93962	18
103.23	-4.93508	18
103.16	-4.91185	18
103.077	-4.88371	18
102.996	-4.85175	18
102.994	-4.85101	18
102.91	-4.81463	18
102.827	-4.77485	18
102.815	-4.76842	18
102.744	-4.73097	18
102.665	-4.68508	18
102.66	-4.68199	18
102.577	-4.63149	18
102.532	-4.60175	18
102.494	-4.57503	18
102.416	-4.51842	18
102.41	-4.51382	18
102.327	-4.44666	18
102.313	-4.43508	18
102.244	-4.37377	18
102.22	-4.35175	18
102.16	-4.29237	18
102.136	-4.26842	18
102.077	-4.20697	18
102.057	-4.18508	18
101.994	-4.11127	18
101.986	-4.10175	18
101.92	-4.01842	18
101.91	-4.00474	18
101.861	-3.93508	18
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101.744	-3.74921	18
101.709	-3.68508	18
101.666	-3.60175	18
101.66	-3.58867	18
101.627	-3.51842	18
101.591	-3.43508	18
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101.559	-3.35175	18
101.53	-3.26842	18
101.504	-3.18508	18
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101.481	-3.10175	18
101.461	-3.01842	18
101.444	-2.93508	18
101.43	-2.85175	18
101.419	-2.76842	18
101.41	-2.6869	18
101.41	-2.68508	18
101.404	-2.60175	18
101.401	-2.51842	18
101.4	-2.43508	18
101.403	-2.35175	18
101.407	-2.26842	18
101.41	-2.23138	18
101.414	-2.18508	18
101.425	-2.10175	18
101.438	-2.01842	18
101.453	-1.93508	18
101.472	-1.85175	18
101.493	-1.76842	18
101.494	-1.76587	18
101.517	-1.68508	18
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101.575	-1.51842	18
101.577	-1.51402	18
101.61	-1.43508	18
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101.688	-1.26842	18
101.732	-1.18508	18
101.744	-1.1644	18
101.78	-1.10175	18
101.827	-1.02818	18
101.833	-1.01842	18
101.891	-0.935083	18
101.91	-0.908594	18
101.954	-0.85175	18
101.994	-0.801963	18
102.022	-0.768416	18
102.077	-0.705748	18
102.096	-0.685083	18
102.16	-0.620024	18
102.178	-0.60175	18
102.244	-0.53847	18
102.266	-0.518416	18
102.327	-0.465319	18
102.364	-0.435083	18
102.41	-0.398241	18
102.473	-0.35175	18
102.494	-0.336519	18
102.577	-0.279968	18
102.596	-0.268416	18
102.66	-0.229381	18
102.735	-0.185083	18
102.744	-0.179968	18
102.827	-0.13617	18
102.898	-0.10175	18
102.91	-0.0961061	18
102.994	-0.0597778	18
103.077	-0.0268786	18
103.102	-0.0184163	18
103.16	0.00142699	18
103.244	0.0291857	18
103.327	0.0527059	18
103.376	0.064917	18
103.41	0.0731848	18
> 21 contour
103.744	-1.17685	21
103.827	-1.16429	21
103.91	-1.15688	21
103.994	-1.15573	21
104.077	-1.15971	21
104.16	-1.17247	21
104.244	-1.18331	21
104.251	-1.18508	21
104.327	-1.20421	21
104.41	-1.23077	21
104.494	-1.26399	21
104.503	-1.26842	21
104.577	-1.30477	21
104.653	-1.35175	21
104.66	-1.35668	21
104.744	-1.4098	21
104.776	-1.43508	21
104.827	-1.4773	21
104.872	-1.51842	21
104.91	-1.55685	21
104.951	-1.60175	21
104.994	-1.65433	21
105.017	-1.68508	21
105.073	-1.76842	21
105.077	-1.7746	21
105.118	-1.85175	21
105.157	-1.93508	21
105.16	-1.94436	21
105.19	-2.01842	21
105.218	-2.10175	21
105.24	-2.18508	21
105.244	-2.20321	21
105.255	-2.26842	21
105.264	-2.35175	21
105.268	-2.43508	21
105.267	-2.51842	21
105.26	-2.60175	21
105.248	-2.68508	21
105.244	-2.70771	21
105.23	-2.76842	21
105.205	-2.85175	21
105.174	-2.93508	21
105.16	-2.9659	21
105.138	-3.01842	21
105.096	-3.10175	21
105.077	-3.13573	21
105.045	-3.18508	21
104.994	-3.25687	21
104.985	-3.26842	21
104.913	-3.35175	21
104.91	-3.35489	21
104.827	-3.43409	21
104.826	-3.43508	21
104.744	-3.50064	21
104.717	-3.51842	21
104.66	-3.55315	21
104.584	-3.60175	21
104.577	-3.60607	21
104.494	-3.64589	21
104.41	-3.6798	21
104.394	-3.68508	21
104.327	-3.70572	21
104.244	-3.72613	21
104.16	-3.73734	21
104.077	-3.7503	21
103.994	-3.75439	21
103.91	-3.75306	21
103.827	-3.74558	21
103.744	-3.73274	21
103.66	-3.71091	21
103.577	-3.69083	21
103.561	-3.68508	21
103.494	-3.66026	21
103.41	-3.62354	21
103.369	-3.60175	21
103.327	-3.57838	21
103.244	-3.52525	21
103.235	-3.51842	21
103.16	-3.45747	21
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103.077	-3.38768	21
103.041	-3.35175	21
102.994	-3.29839	21
102.969	-3.26842	21
102.91	-3.18995	21
102.907	-3.18508	21
102.856	-3.10175	21
102.827	-3.04791	21
102.812	-3.01842	21
102.776	-2.93508	21
102.746	-2.85175	21
102.744	-2.84372	21
102.724	-2.76842	21
102.707	-2.68508	21
102.695	-2.60175	21
102.689	-2.51842	21
102.688	-2.43508	21
102.691	-2.35175	21
102.701	-2.26842	21
102.715	-2.18508	21
102.734	-2.10175	21
102.744	-2.06913	21
102.76	-2.01842	21
102.793	-1.93508	21
102.827	-1.86241	21
102.832	-1.85175	21
102.88	-1.76842	21
102.91	-1.72171	21
102.936	-1.68508	21
102.994	-1.612	21
103.002	-1.60175	21
103.077	-1.52264	21
103.082	-1.51842	21
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103.181	-1.43508	21
103.244	-1.38545	21
103.295	-1.35175	21
103.327	-1.33188	21
103.41	-1.28682	21
103.451	-1.26842	21
103.494	-1.24996	21
103.577	-1.2198	21
103.66	-1.199	21
103.712	-1.18508	21
103.744	-1.17685	21