> 1 contour
-174.714	51.4	1
-174.715	51.4086	1
-174.718	51.425	1
-174.719	51.45	1
-174.717	51.475	1
-174.715	51.485	1
-174.712	51.5	1
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-174.695	51.55	1
-174.69	51.5604	1
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-174.668	51.6	1
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-174.595	51.675	1
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-174.556	51.7	1
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-174.51	51.725	1
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-174.211	51.7	1
-174.192	51.675	1
-174.19	51.6697	1
-174.181	51.65	1
-174.182	51.625	1
-174.19	51.6219	1
-174.196	51.6	1
-174.19	51.5931	1
-174.165	51.5987	1
-174.14	51.5987	1
-174.115	51.5847	1
-174.105	51.575	1
-174.09	51.5564	1
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-174.073	51.525	1
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-174.064	51.5	1
-174.059	51.475	1
-174.057	51.45	1
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-174.062	51.4	1
> 2 contour
-174.561	51.4	2
-174.565	51.4135	2
-174.569	51.425	2
-174.571	51.45	2
-174.568	51.475	2
-174.565	51.4843	2
-174.56	51.5	2
-174.545	51.525	2
-174.54	51.5303	2
-174.518	51.55	2
-174.515	51.5513	2
-174.49	51.5632	2
-174.473	51.575	2
-174.465	51.581	2
-174.441	51.6	2
-174.44	51.6005	2
-174.415	51.6166	2
-174.39	51.6234	2
-174.365	51.6248	2
-174.34	51.6213	2
-174.315	51.6124	2
-174.295	51.6	2
-174.29	51.5966	2
-174.267	51.575	2
-174.265	51.5736	2
-174.245	51.55	2
-174.24	51.5427	2
-174.228	51.525	2
-174.216	51.5	2
-174.215	51.4977	2
-174.208	51.475	2
-174.205	51.45	2
-174.207	51.425	2
-174.215	51.4	2
> 3 contour
-174.486	51.4	3
-174.49	51.4079	3
-174.498	51.425	3
-174.502	51.45	3
-174.498	51.475	3
-174.49	51.4911	3
-174.486	51.5	3
-174.465	51.5239	3
-174.464	51.525	3
-174.44	51.5429	3
-174.425	51.55	3
-174.415	51.5549	3
-174.39	51.5606	3
-174.365	51.5592	3
-174.34	51.5505	3
-174.339	51.55	3
-174.315	51.5343	3
-174.305	51.525	3
-174.29	51.5042	3
-174.287	51.5	3
-174.277	51.475	3
-174.274	51.45	3
-174.277	51.425	3
-174.287	51.4	3
> 4 contour
-174.439	51.4	4
-174.44	51.4015	4
-174.457	51.425	4
-174.462	51.45	4
-174.457	51.475	4
-174.44	51.498	4
-174.438	51.5	4
-174.415	51.5164	4
-174.39	51.5225	4
-174.365	51.5181	4
-174.34	51.5019	4
-174.338	51.5	4
-174.321	51.475	4
-174.316	51.45	4
-174.32	51.425	4
-174.337	51.4	4
> 5 contour
-174.415	51.4879	5
-174.39	51.498	5
-174.365	51.489	5
-174.351	51.475	5
-174.341	51.45	5
-174.351	51.425	5
-174.365	51.4108	5
-174.39	51.4018	5
-174.415	51.4119	5
-174.428	51.425	5
-174.438	51.45	5
-174.428	51.475	5
-174.415	51.4879	5
> 6 contour
-174.39	51.4821	6
-174.378	51.475	6
-174.365	51.4627	6
-174.358	51.45	6
-174.365	51.4372	6
-174.378	51.425	6
-174.39	51.4178	6
-174.402	51.425	6
-174.415	51.4382	6
-174.422	51.45	6
-174.415	51.4617	6
-174.402	51.475	6
-174.39	51.4821	6