> 5 contour
-175.669	51.4	5
-175.679	51.425	5
-175.685	51.4476	5
-175.686	51.45	5
-175.691	51.475	5
-175.693	51.5	5
-175.694	51.525	5
-175.692	51.55	5
-175.688	51.575	5
-175.685	51.5896	5
-175.683	51.6	5
-175.676	51.625	5
-175.669	51.65	5
-175.66	51.6713	5
-175.659	51.675	5
-175.647	51.7	5
-175.635	51.719	5
-175.632	51.725	5
-175.613	51.75	5
-175.61	51.7531	5
-175.59	51.775	5
-175.585	51.78	5
-175.564	51.8	5
-175.56	51.8031	5
-175.535	51.8238	5
-175.534	51.825	5
-175.51	51.8423	5
-175.498	51.85	5
-175.485	51.8582	5
-175.46	51.8706	5
-175.448	51.875	5
-175.435	51.8796	5
-175.41	51.885	5
-175.385	51.8863	5
-175.36	51.8831	5
-175.335	51.8769	5
-175.325	51.875	5
-175.31	51.8731	5
-175.305	51.875	5
-175.285	51.8844	5
-175.261	51.9	5
-175.26	51.9015	5
-175.235	51.9177	5
-175.212	51.925	5
-175.21	51.9259	5
-175.185	51.93	5
-175.16	51.9301	5
-175.135	51.9263	5
-175.131	51.925	5
-175.11	51.919	5
-175.085	51.9067	5
-175.077	51.9	5
-175.06	51.8896	5
-175.04	51.875	5
-175.035	51.8722	5
-175.01	51.8602	5
-174.985	51.8574	5
-174.96	51.8543	5
-174.941	51.85	5
-174.935	51.8485	5
-174.91	51.8394	5
-174.885	51.8263	5
-174.883	51.825	5
-174.86	51.8095	5
-174.848	51.8	5
-174.835	51.7884	5
-174.821	51.775	5
-174.81	51.7625	5
-174.799	51.75	5
-174.785	51.7304	5
-174.781	51.725	5
-174.766	51.7	5
-174.76	51.6862	5
-174.755	51.675	5
-174.746	51.65	5
-174.741	51.625	5
-174.738	51.6	5
-174.735	51.5889	5
-174.731	51.575	5
-174.725	51.55	5
-174.722	51.525	5
-174.721	51.5	5
-174.723	51.475	5
-174.728	51.45	5
-174.735	51.425	5
-174.735	51.4243	5
-174.744	51.4	5
> 10 contour
-175.412	51.4	10
-175.43	51.425	10
-175.435	51.4353	10
-175.443	51.45	10
-175.451	51.475	10
-175.457	51.5	10
-175.459	51.525	10
-175.458	51.55	10
-175.455	51.575	10
-175.448	51.6	10
-175.438	51.625	10
-175.435	51.6298	10
-175.424	51.65	10
-175.41	51.6684	10
-175.405	51.675	10
-175.385	51.6947	10
-175.379	51.7	10
-175.36	51.7142	10
-175.342	51.725	10
-175.335	51.7289	10
-175.31	51.7403	10
-175.285	51.7487	10
-175.28	51.75	10
-175.26	51.755	10
-175.235	51.759	10
-175.21	51.7607	10
-175.185	51.7598	10
-175.16	51.7564	10
-175.135	51.75	10
-175.135	51.75	10
-175.11	51.7412	10
-175.085	51.729	10
-175.078	51.725	10
-175.06	51.7133	10
-175.043	51.7	10
-175.035	51.6928	10
-175.018	51.675	10
-175.01	51.665	10
-174.999	51.65	10
-174.985	51.625	10
-174.985	51.6241	10
-174.975	51.6	10
-174.967	51.575	10
-174.963	51.55	10
-174.962	51.525	10
-174.964	51.5	10
-174.969	51.475	10
-174.978	51.45	10
-174.985	51.4366	10
-174.991	51.425	10
-175.01	51.4	10
> 15 contour
-175.255	51.4	15
-175.26	51.4015	15
-175.285	51.4142	15
-175.3	51.425	15
-175.31	51.4338	15
-175.325	51.45	15
-175.335	51.466	15
-175.34	51.475	15
-175.349	51.5	15
-175.353	51.525	15
-175.351	51.55	15
-175.345	51.575	15
-175.335	51.5959	15
-175.333	51.6	15
-175.313	51.625	15
-175.31	51.6275	15
-175.285	51.6456	15
-175.276	51.65	15
-175.26	51.6575	15
-175.235	51.6643	15
-175.21	51.6664	15
-175.185	51.664	15
-175.16	51.6567	15
-175.146	51.65	15
-175.135	51.6441	15
-175.111	51.625	15
-175.11	51.624	15
-175.09	51.6	15
-175.085	51.5899	15
-175.077	51.575	15
-175.07	51.55	15
-175.068	51.525	15
-175.071	51.5	15
-175.079	51.475	15
-175.085	51.4646	15
-175.094	51.45	15
-175.11	51.431	15
-175.117	51.425	15
-175.135	51.4109	15
-175.157	51.4	15
> 20 contour
-175.235	51.6051	20
-175.21	51.6098	20
-175.185	51.6047	20
-175.176	51.6	20
-175.16	51.5907	20
-175.144	51.575	20
-175.135	51.5587	20
-175.131	51.55	20
-175.126	51.525	20
-175.131	51.5	20
-175.135	51.493	20
-175.146	51.475	20
-175.16	51.4613	20
-175.181	51.45	20
-175.185	51.4478	20
-175.21	51.4429	20
-175.235	51.4482	20
-175.239	51.45	20
-175.26	51.4619	20
-175.274	51.475	20
-175.285	51.4931	20
-175.289	51.5	20
-175.295	51.525	20
-175.29	51.55	20
-175.285	51.5606	20
-175.277	51.575	20
-175.26	51.5917	20
-175.245	51.6	20
-175.235	51.6051	20
> 25 contour
-175.235	51.5636	25
-175.21	51.571	25
-175.185	51.5633	25
-175.172	51.55	25
-175.164	51.525	25
-175.173	51.5	25
-175.185	51.4877	25
-175.21	51.4797	25
-175.235	51.4878	25
-175.248	51.5	25
-175.256	51.525	25
-175.245	51.55	25
-175.235	51.5636	25
> 30 contour
-175.21	51.5506	30
-175.209	51.55	30
-175.185	51.5258	30
-175.185	51.525	30
-175.185	51.5243	30
-175.21	51.5	30
-175.21	51.4998	30
-175.211	51.5	30
-175.235	51.5242	30
-175.236	51.525	30
-175.235	51.5258	30
-175.211	51.55	30
-175.21	51.5506	30