> 3 contour
-173.382	52.5019	3
-173.357	52.5138	3
-173.332	52.5212	3
-173.307	52.5243	3
-173.282	52.5234	3
-173.257	52.5184	3
-173.232	52.509	3
-173.216	52.5	3
-173.207	52.4955	3
-173.182	52.4802	3
-173.174	52.475	3
-173.157	52.4651	3
-173.132	52.4522	3
-173.127	52.45	3
-173.107	52.44	3
-173.082	52.4258	3
-173.081	52.425	3
-173.057	52.4069	3
-173.049	52.4	3
-173.032	52.3813	3
-173.027	52.375	3
-173.01	52.35	3
-173.007	52.3444	3
-172.997	52.325	3
-172.988	52.3	3
-172.982	52.2776	3
-172.982	52.275	3
-172.977	52.25	3
-172.975	52.225	3
-172.975	52.2	3
-172.977	52.175	3
-172.982	52.1729	3
-173.007	52.1635	3
-173.032	52.1552	3
-173.054	52.15	3
-173.057	52.141	3
-173.062	52.125	3
-173.074	52.1	3
-173.082	52.0875	3
-173.09	52.075	3
-173.082	52.0717	3
-173.057	52.0619	3
-173.032	52.0519	3
-173.028	52.05	3
-173.032	52.0451	3
-173.052	52.025	3
-173.057	52.0208	3
-173.082	52.0036	3
-173.088	52	3
-173.107	51.9911	3
-173.132	51.9807	3
-173.142	51.975	3
-173.157	51.9665	3
-173.18	51.95	3
-173.182	51.9481	3
-173.207	51.9285	3
-173.213	51.925	3
-173.232	51.9124	3
-173.257	51.9026	3
-173.27	51.9	3
-173.282	51.8974	3
-173.307	51.8965	3
-173.327	51.9	3
-173.332	51.9007	3
-173.357	51.9095	3
-173.378	51.925	3
-173.382	51.9272	3
-173.407	51.9444	3
-173.418	51.95	3
-173.432	51.956	3
-173.457	51.9536	3
-173.482	51.9501	3
-173.486	51.95	3
-173.507	51.949	3
-173.514	51.95	3
-173.532	51.9525	3
-173.557	51.9607	3
-173.582	51.9744	3
-173.583	51.975	3
-173.607	51.993	3
-173.615	52	3
-173.632	52.0176	3
-173.639	52.025	3
-173.657	52.0497	3
-173.657	52.05	3
-173.657	52.0501	3
-173.632	52.0629	3
-173.607	52.0745	3
-173.606	52.075	3
-173.607	52.0767	3
-173.621	52.1	3
-173.631	52.125	3
-173.632	52.1307	3
-173.638	52.15	3
-173.657	52.1576	3
-173.682	52.1694	3
-173.693	52.175	3
-173.69	52.2	3
-173.687	52.225	3
-173.688	52.25	3
-173.689	52.275	3
-173.688	52.3	3
-173.682	52.325	3
-173.682	52.3253	3
-173.674	52.35	3
-173.661	52.375	3
-173.657	52.3799	3
-173.643	52.4	3
-173.632	52.4127	3
-173.62	52.425	3
-173.607	52.4371	3
-173.59	52.45	3
-173.582	52.4556	3
-173.557	52.4691	3
-173.541	52.475	3
-173.532	52.478	3
-173.507	52.4828	3
-173.482	52.4838	3
-173.457	52.4827	3
-173.432	52.4823	3
-173.407	52.4905	3
-173.385	52.5	3
-173.382	52.5019	3
> 6 contour
-173.357	52.4022	6
-173.332	52.4025	6
-173.309	52.4	6
-173.307	52.3998	6
-173.282	52.3944	6
-173.257	52.3853	6
-173.237	52.375	6
-173.232	52.3723	6
-173.207	52.3547	6
-173.202	52.35	6
-173.182	52.3306	6
-173.177	52.325	6
-173.16	52.3	6
-173.157	52.2939	6
-173.148	52.275	6
-173.141	52.25	6
-173.139	52.225	6
-173.136	52.2	6
-173.138	52.175	6
-173.157	52.1672	6
-173.182	52.1582	6
-173.207	52.1502	6
-173.208	52.15	6
-173.222	52.125	6
-173.232	52.1133	6
-173.246	52.1	6
-173.257	52.0913	6
-173.282	52.0776	6
-173.29	52.075	6
-173.282	52.073	6
-173.257	52.0647	6
-173.232	52.055	6
-173.221	52.05	6
-173.232	52.0425	6
-173.257	52.0297	6
-173.271	52.025	6
-173.282	52.021	6
-173.307	52.016	6
-173.332	52.0146	6
-173.357	52.0164	6
-173.382	52.0211	6
-173.397	52.025	6
-173.407	52.0278	6
-173.432	52.0363	6
-173.457	52.0473	6
-173.462	52.05	6
-173.457	52.0522	6
-173.432	52.0619	6
-173.407	52.0704	6
-173.391	52.075	6
-173.407	52.0808	6
-173.432	52.0938	6
-173.441	52.1	6
-173.457	52.1125	6
-173.47	52.125	6
-173.482	52.1407	6
-173.489	52.15	6
-173.507	52.1554	6
-173.532	52.1637	6
-173.557	52.1735	6
-173.561	52.175	6
-173.565	52.2	6
-173.565	52.225	6
-173.561	52.25	6
-173.557	52.2645	6
-173.554	52.275	6
-173.543	52.3	6
-173.532	52.3158	6
-173.525	52.325	6
-173.507	52.344	6
-173.5	52.35	6
-173.482	52.3632	6
-173.461	52.375	6
-173.457	52.3769	6
-173.432	52.3871	6
-173.407	52.3944	6
-173.382	52.3993	6
-173.376	52.4	6
-173.357	52.4022	6
> 9 contour
-173.357	52.328	9
-173.332	52.3274	9
-173.321	52.325	9
-173.307	52.3223	9
-173.282	52.312	9
-173.265	52.3	9
-173.257	52.2942	9
-173.239	52.275	9
-173.232	52.2636	9
-173.225	52.25	9
-173.216	52.225	9
-173.214	52.2	9
-173.218	52.175	9
-173.232	52.1689	9
-173.257	52.1592	9
-173.282	52.1516	9
-173.289	52.15	9
-173.307	52.1368	9
-173.332	52.1296	9
-173.357	52.1329	9
-173.382	52.1446	9
-173.39	52.15	9
-173.407	52.1532	9
-173.432	52.1587	9
-173.457	52.1661	9
-173.481	52.175	9
-173.482	52.1789	9
-173.489	52.2	9
-173.491	52.225	9
-173.484	52.25	9
-173.482	52.2534	9
-173.469	52.275	9
-173.457	52.2879	9
-173.441	52.3	9
-173.432	52.3062	9
-173.407	52.3176	9
-173.382	52.3245	9
-173.378	52.325	9
-173.357	52.328	9
> 12 contour
-173.357	52.277	12
-173.332	52.278	12
-173.323	52.275	12
-173.307	52.2703	12
-173.282	52.2508	12
-173.281	52.25	12
-173.266	52.225	12
-173.261	52.2	12
-173.267	52.175	12
-173.282	52.1683	12
-173.307	52.1595	12
-173.332	52.1551	12
-173.357	52.158	12
-173.382	52.1639	12
-173.407	52.171	12
-173.421	52.175	12
-173.432	52.1872	12
-173.44	52.2	12
-173.45	52.225	12
-173.432	52.2494	12
-173.43	52.25	12
-173.407	52.2599	12
-173.382	52.2702	12
-173.365	52.275	12
-173.357	52.277	12
> 15 contour
-173.357	52.2405	15
-173.332	52.2469	15
-173.307	52.2338	15
-173.299	52.225	15
-173.288	52.2	15
-173.3	52.175	15
-173.307	52.1722	15
-173.332	52.165	15
-173.357	52.1703	15
-173.372	52.175	15
-173.382	52.1936	15
-173.386	52.2	15
-173.382	52.2126	15
-173.378	52.225	15
-173.357	52.2405	15
> 18 contour
-173.332	52.2264	18
-173.33	52.225	18
-173.308	52.2	18
-173.332	52.175	18
-173.332	52.175	18
-173.332	52.175	18
-173.357	52.1949	18
-173.361	52.2	18
-173.357	52.2058	18
-173.335	52.225	18
-173.332	52.2264	18