> 2 contour
-170.303	52.1001	2
-170.278	52.1012	2
-170.259	52.1	2
-170.253	52.0997	2
-170.228	52.0958	2
-170.203	52.0892	2
-170.178	52.0795	2
-170.168	52.075	2
-170.153	52.067	2
-170.128	52.0507	2
-170.127	52.05	2
-170.103	52.0289	2
-170.098	52.025	2
-170.078	52	2
-170.078	51.9997	2
-170.059	51.975	2
-170.053	51.967	2
-170.036	51.95	2
-170.028	51.9431	2
-170.01	51.925	2
-170.003	51.9179	2
-169.988	51.9	2
-169.978	51.8828	2
-169.973	51.875	2
-169.962	51.85	2
-169.954	51.825	2
-169.953	51.8187	2
-169.949	51.8	2
-169.946	51.775	2
-169.947	51.75	2
-169.95	51.725	2
-169.953	51.714	2
-169.956	51.7	2
-169.964	51.675	2
-169.976	51.65	2
-169.978	51.647	2
-169.991	51.625	2
-170.003	51.6082	2
-170.009	51.6	2
-170.028	51.5769	2
-170.029	51.575	2
-170.05	51.55	2
-170.053	51.5475	2
-170.073	51.525	2
-170.078	51.5213	2
-170.102	51.5	2
-170.103	51.4996	2
-170.128	51.4822	2
-170.14	51.475	2
-170.153	51.4681	2
-170.178	51.4567	2
-170.197	51.45	2
-170.203	51.4479	2
-170.228	51.4412	2
-170.253	51.4371	2
-170.278	51.4355	2
-170.303	51.4362	2
-170.328	51.4391	2
-170.353	51.4438	2
-170.378	51.4499	2
-170.378	51.45	2
-170.403	51.4569	2
-170.428	51.4653	2
-170.452	51.475	2
-170.453	51.4752	2
-170.478	51.487	2
-170.5	51.5	2
-170.503	51.5014	2
-170.528	51.5188	2
-170.535	51.525	2
-170.553	51.5404	2
-170.562	51.55	2
-170.578	51.5679	2
-170.583	51.575	2
-170.6	51.6	2
-170.603	51.6054	2
-170.613	51.625	2
-170.624	51.65	2
-170.628	51.6586	2
-170.634	51.675	2
-170.643	51.7	2
-170.649	51.725	2
-170.652	51.75	2
-170.653	51.7722	2
-170.653	51.775	2
-170.653	51.7758	2
-170.651	51.8	2
-170.646	51.825	2
-170.638	51.85	2
-170.628	51.8749	2
-170.628	51.875	2
-170.616	51.9	2
-170.603	51.924	2
-170.602	51.925	2
-170.586	51.95	2
-170.578	51.9607	2
-170.565	51.975	2
-170.553	51.988	2
-170.539	52	2
-170.528	52.0093	2
-170.505	52.025	2
-170.503	52.0267	2
-170.478	52.0416	2
-170.462	52.05	2
-170.453	52.0546	2
-170.428	52.066	2
-170.405	52.075	2
-170.403	52.076	2
-170.378	52.0847	2
-170.353	52.0918	2
-170.328	52.097	2
-170.303	52.1	2
-170.303	52.1001	2
> 4 contour
-170.328	51.9524	4
-170.303	51.9599	4
-170.278	51.9614	4
-170.253	51.9579	4
-170.23	51.95	4
-170.228	51.9491	4
-170.203	51.9351	4
-170.191	51.925	4
-170.178	51.9134	4
-170.166	51.9	4
-170.153	51.8844	4
-170.145	51.875	4
-170.128	51.85	4
-170.128	51.8494	4
-170.114	51.825	4
-170.107	51.8	4
-170.104	51.775	4
-170.105	51.75	4
-170.111	51.725	4
-170.122	51.7	4
-170.128	51.692	4
-170.138	51.675	4
-170.153	51.6559	4
-170.157	51.65	4
-170.178	51.627	4
-170.18	51.625	4
-170.203	51.6057	4
-170.213	51.6	4
-170.228	51.5917	4
-170.253	51.5832	4
-170.278	51.5795	4
-170.303	51.5799	4
-170.328	51.5849	4
-170.353	51.5965	4
-170.357	51.6	4
-170.378	51.6193	4
-170.38	51.625	4
-170.403	51.6427	4
-170.428	51.6496	4
-170.428	51.65	4
-170.453	51.6649	4
-170.464	51.675	4
-170.478	51.6942	4
-170.481	51.7	4
-170.492	51.725	4
-170.498	51.75	4
-170.499	51.775	4
-170.496	51.8	4
-170.488	51.825	4
-170.478	51.8433	4
-170.474	51.85	4
-170.453	51.8721	4
-170.449	51.875	4
-170.428	51.8873	4
-170.403	51.8961	4
-170.397	51.9	4
-170.378	51.9145	4
-170.364	51.925	4
-170.353	51.9383	4
-170.332	51.95	4
-170.328	51.9524	4
> 6 contour
-170.353	51.876	6
-170.328	51.8881	6
-170.303	51.8934	6
-170.278	51.8925	6
-170.253	51.8851	6
-170.235	51.875	6
-170.228	51.8702	6
-170.206	51.85	6
-170.203	51.8449	6
-170.189	51.825	6
-170.18	51.8	6
-170.178	51.7786	6
-170.177	51.775	6
-170.178	51.77	6
-170.179	51.75	6
-170.187	51.725	6
-170.203	51.7006	6
-170.203	51.7	6
-170.228	51.6756	6
-170.229	51.675	6
-170.253	51.6605	6
-170.278	51.6533	6
-170.303	51.6521	6
-170.328	51.6566	6
-170.353	51.6676	6
-170.364	51.675	6
-170.378	51.6849	6
-170.394	51.7	6
-170.403	51.7108	6
-170.413	51.725	6
-170.422	51.75	6
-170.424	51.775	6
-170.421	51.8	6
-170.409	51.825	6
-170.403	51.833	6
-170.388	51.85	6
-170.378	51.8588	6
-170.354	51.875	6
-170.353	51.876	6
> 8 contour
-170.303	51.8536	8
-170.282	51.85	8
-170.278	51.8494	8
-170.253	51.8359	8
-170.241	51.825	8
-170.228	51.8028	8
-170.226	51.8	8
-170.22	51.775	8
-170.225	51.75	8
-170.228	51.7456	8
-170.24	51.725	8
-170.253	51.7121	8
-170.275	51.7	8
-170.278	51.6985	8
-170.303	51.6939	8
-170.327	51.7	8
-170.328	51.7002	8
-170.353	51.7153	8
-170.362	51.725	8
-170.377	51.75	8
-170.378	51.7529	8
-170.382	51.775	8
-170.378	51.7933	8
-170.376	51.8	8
-170.36	51.825	8
-170.353	51.8319	8
-170.328	51.8476	8
-170.317	51.85	8
-170.303	51.8536	8
> 10 contour
-170.303	51.8276	10
-170.294	51.825	10
-170.278	51.8198	10
-170.257	51.8	10
-170.253	51.787	10
-170.248	51.775	10
-170.253	51.7624	10
-170.257	51.75	10
-170.278	51.7293	10
-170.291	51.725	10
-170.303	51.7212	10
-170.313	51.725	10
-170.328	51.7302	10
-170.347	51.75	10
-170.353	51.7665	10
-170.355	51.775	10
-170.353	51.7828	10
-170.347	51.8	10
-170.328	51.8188	10
-170.31	51.825	10
-170.303	51.8276	10
> 12 contour
-170.303	51.8112	12
-170.283	51.8	12
-170.278	51.7948	12
-170.266	51.775	12
-170.278	51.7548	12
-170.282	51.75	12
-170.303	51.7383	12
-170.322	51.75	12
-170.328	51.7556	12
-170.339	51.775	12
-170.328	51.7939	12
-170.322	51.8	12
-170.303	51.8112	12