> 4 contour
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-180.042	52.9862	4
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> 8 contour
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-179.663	52.5096	8
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-178.079	51.4862	8
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> 12 contour
-179.996	52.2197	12
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-179.663	52.2046	12
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-179.996	52.2197	12
> 16 contour
-179.996	52.021	16
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-178.905	51.5362	16
-178.887	51.4862	16
-178.874	51.4362	16
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-179.579	50.7323	16
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-179.746	50.7042	16
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-180.015	50.7362	16
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-180.056	50.8362	16
-180.072	50.8862	16
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-180.329	50.9623	16
-180.383	50.9862	16
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-180.536	51.0862	16
-180.579	51.1317	16
-180.583	51.1362	16
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-180.663	51.2688	16
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-180.667	51.4362	16
-180.663	51.4492	16
-180.651	51.4862	16
-180.621	51.5362	16
-180.582	51.5862	16
-180.579	51.5893	16
-180.531	51.6362	16
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-180.413	51.7167	16
-180.371	51.7362	16
-180.329	51.7549	16
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-180.163	51.8039	16
-180.079	51.8158	16
-180.069	51.8362	16
-180.054	51.8862	16
-180.034	51.9362	16
-180.012	51.9862	16
-179.996	52.021	16
> 16 contour
-179.163	51.2914	16
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-179.042	51.2862	16
-179.037	51.2362	16
-179.079	51.2164	16
-179.11	51.2362	16
-179.163	51.2804	16
-179.169	51.2862	16
-179.163	51.2914	16
> 20 contour
-179.663	51.8418	20
-179.641	51.8362	20
-179.663	51.7975	20
-179.67	51.7862	20
-179.663	51.7845	20
-179.579	51.7578	20
-179.522	51.7362	20
-179.496	51.7262	20
-179.417	51.6862	20
-179.413	51.6835	20
-179.349	51.6362	20
-179.329	51.62	20
-179.293	51.5862	20
-179.256	51.5362	20
-179.246	51.5198	20
-179.226	51.4862	20
-179.21	51.4362	20
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-179.235	51.2862	20
-179.227	51.2362	20
-179.246	51.1993	20
-179.253	51.1862	20
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-179.342	51.0862	20
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-179.414	51.0362	20
-179.496	50.9903	20
-179.506	50.9862	20
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-179.471	50.9362	20
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-179.522	50.9362	20
-179.579	50.9594	20
-179.655	50.9362	20
-179.618	50.8862	20
-179.663	50.8744	20
-179.687	50.8862	20
-179.746	50.9158	20
-179.829	50.9048	20
-179.913	50.9007	20
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-180.014	50.9362	20
-180.041	50.9862	20
-180.062	51.0362	20
-180.079	51.0794	20
-180.115	51.0862	20
-180.163	51.0976	20
-180.244	51.1362	20
-180.246	51.1369	20
-180.325	51.1862	20
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-180.387	51.4362	20
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-180.329	51.5214	20
-180.31	51.5362	20
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-180.079	51.6362	20
-180.06	51.6862	20
-180.037	51.7362	20
-180.012	51.7862	20
-179.996	51.8135	20
-179.913	51.8156	20
-179.829	51.8118	20
-179.746	51.8015	20
-179.674	51.8362	20
-179.663	51.8418	20
> 24 contour
-179.996	51.675	24
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-179.829	51.6732	24
-179.746	51.6562	24
-179.686	51.6362	24
-179.663	51.6287	24
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-179.437	51.4362	24
-179.417	51.3862	24
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-179.496	51.1862	24
-179.496	51.1862	24
-179.574	51.1362	24
-179.579	51.1332	24
-179.66	51.0862	24
-179.663	51.0849	24
-179.746	51.0598	24
-179.829	51.045	24
-179.913	51.0398	24
-179.996	51.0433	24
-180.017	51.0862	24
-180.034	51.1362	24
-180.051	51.1862	24
-180.06	51.2362	24
-180.068	51.2862	24
-180.065	51.3362	24
-180.071	51.3862	24
-180.067	51.4362	24
-180.062	51.4862	24
-180.048	51.5362	24
-180.034	51.5862	24
-180.013	51.6362	24
-179.996	51.675	24
> 28 contour
-179.996	51.5162	28
-179.913	51.523	28
-179.829	51.5143	28
-179.746	51.4871	28
-179.744	51.4862	28
-179.706	51.4362	28
-179.664	51.3862	28
-179.691	51.3362	28
-179.688	51.2862	28
-179.746	51.2421	28
-179.758	51.2362	28
-179.829	51.1989	28
-179.904	51.1862	28
-179.913	51.1854	28
-179.923	51.1862	28
-179.996	51.1977	28
-180.003	51.2362	28
-180.012	51.2862	28
-180.001	51.3362	28
-180.017	51.3862	28
-180.011	51.4362	28
-180.006	51.4862	28
-179.996	51.5162	28