> 3 contour
180.638	52.1346	3
180.641	52.1345	3
180.721	52.1331	3
180.805	52.133	3
180.888	52.1276	3
180.971	52.1178	3
181.055	52.0989	3
181.138	52.0696	3
181.165	52.0512	3
181.221	52.0082	3
181.272	51.9678	3
181.305	51.9262	3
181.335	51.8845	3
181.362	51.8012	3
181.357	51.7178	3
181.318	51.6345	3
181.305	51.6184	3
181.239	51.5512	3
181.221	51.5381	3
181.138	51.4772	3
181.109	51.4678	3
181.055	51.4491	3
180.971	51.4274	3
180.888	51.4154	3
180.805	51.4091	3
180.721	51.4099	3
180.638	51.4072	3
180.555	51.4458	3
180.492	51.4678	3
180.471	51.4737	3
180.388	51.5146	3
180.335	51.5512	3
180.305	51.5801	3
180.256	51.6345	3
180.223	51.7178	3
180.221	51.7562	3
180.218	51.8012	3
180.221	51.8102	3
180.242	51.8845	3
180.305	51.9673	3
180.305	51.9678	3
180.388	52.0314	3
180.425	52.0512	3
180.471	52.0748	3
180.555	52.102	3
180.638	52.1345	3
180.638	52.1346	3
> 6 contour
180.638	51.9736	6
180.721	51.9868	6
180.805	51.9835	6
180.888	51.9685	6
180.89	51.9678	6
180.971	51.9495	6
181.055	51.8901	6
181.061	51.8845	6
181.111	51.8012	6
181.104	51.7178	6
181.055	51.6491	6
181.042	51.6345	6
180.971	51.5924	6
180.888	51.5696	6
180.805	51.5597	6
180.721	51.5594	6
180.638	51.5678	6
180.555	51.625	6
180.541	51.6345	6
180.473	51.7178	6
180.471	51.7459	6
180.465	51.8012	6
180.471	51.812	6
180.512	51.8845	6
180.555	51.9182	6
180.629	51.9678	6
180.638	51.9736	6
> 9 contour
180.638	51.8925	9
180.721	51.9291	9
180.805	51.9358	9
180.888	51.9124	9
180.939	51.8845	9
180.971	51.8572	9
181.016	51.8012	9
181.004	51.7178	9
180.971	51.6831	9
180.888	51.6387	9
180.864	51.6345	9
180.805	51.6157	9
180.721	51.6168	9
180.674	51.6345	9
180.638	51.6507	9
180.57	51.7178	9
180.56	51.8012	9
180.628	51.8845	9
180.638	51.8925	9
> 12 contour
180.805	51.8985	12
180.84	51.8845	12
180.888	51.8693	12
180.96	51.8012	12
180.948	51.7178	12
180.888	51.6703	12
180.805	51.6469	12
180.721	51.6567	12
180.64	51.7178	12
180.638	51.7329	12
180.625	51.8012	12
180.638	51.816	12
180.721	51.8829	12
180.731	51.8845	12
180.805	51.8985	12
> 15 contour
180.721	51.8507	15
180.805	51.8734	15
180.888	51.8389	15
180.928	51.8012	15
180.908	51.7178	15
180.888	51.7018	15
180.805	51.6655	15
180.721	51.6888	15
180.683	51.7178	15
180.667	51.8012	15
180.721	51.8507	15
> 18 contour
180.721	51.8185	18
180.805	51.8558	18
180.888	51.8086	18
180.896	51.8012	18
180.888	51.7736	18
180.87	51.7178	18
180.805	51.6841	18
180.726	51.7178	18
180.721	51.7307	18
180.702	51.8012	18
180.721	51.8185	18