> 3 contour
19.7838	38.5243	3
19.8671	38.5471	3
19.9504	38.5647	3
20.0338	38.5781	3
20.1171	38.587	3
20.2004	38.5946	3
20.2838	38.5932	3
20.3671	38.5903	3
20.4504	38.5837	3
20.5338	38.5734	3
20.6171	38.5587	3
20.7004	38.5415	3
20.7816	38.5138	3
20.7838	38.5131	3
20.8671	38.485	3
20.9504	38.4499	3
20.9901	38.4305	3
21.0338	38.4092	3
21.0527	38.3471	3
21.1171	38.2894	3
21.2004	38.3068	3
21.2536	38.2638	3
21.2838	38.2374	3
21.2972	38.1805	3
21.3671	38.1098	3
21.4203	38.0971	3
21.3948	38.0138	3
21.4081	37.9305	3
21.4191	37.8471	3
21.3671	37.767	3
21.3653	37.7638	3
21.3671	37.7615	3
21.4504	37.7352	3
21.4958	37.6805	3
21.4995	37.5971	3
21.5338	37.5502	3
21.5621	37.5138	3
21.6171	37.4367	3
21.6219	37.4305	3
21.6187	37.3471	3
21.6171	37.3216	3
21.6041	37.2638	3
21.5447	37.1805	3
21.5349	37.0971	3
21.5338	37.089	3
21.4919	37.0138	3
21.4504	36.9544	3
21.4333	36.9305	3
21.3671	36.8526	3
21.3622	36.8471	3
21.2838	36.7709	3
21.2761	36.7638	3
21.2004	36.7	3
21.1722	36.6805	3
21.1171	36.6441	3
21.0359	36.5971	3
21.0338	36.5959	3
20.9504	36.5533	3
20.8671	36.5183	3
20.8544	36.5138	3
20.7838	36.4875	3
20.7004	36.4594	3
20.6171	36.4424	3
20.5487	36.4305	3
20.5338	36.4276	3
20.4504	36.416	3
20.3671	36.4085	3
20.2838	36.4054	3
20.2004	36.4037	3
20.1171	36.4122	3
20.0338	36.4223	3
19.9879	36.4305	3
19.9504	36.4365	3
19.8671	36.4538	3
19.7838	36.4763	3
19.7004	36.5025	3
19.6745	36.5138	3
19.6171	36.5383	3
19.5338	36.5778	3
19.4986	36.5971	3
19.4504	36.624	3
19.3671	36.6784	3
19.3643	36.6805	3
19.2838	36.7415	3
19.2569	36.7638	3
19.2004	36.8154	3
19.17	36.8471	3
19.1171	36.9103	3
19.1006	36.9305	3
19.0427	37.0138	3
19.0338	37.0295	3
18.9951	37.0971	3
18.9586	37.1805	3
18.9504	37.2051	3
18.9299	37.2638	3
18.9101	37.3471	3
18.8986	37.4305	3
18.8952	37.5138	3
18.8997	37.5971	3
18.9125	37.6805	3
18.9339	37.7638	3
18.9504	37.8089	3
18.9639	37.8471	3
19.0027	37.9305	3
19.0338	37.9825	3
19.0527	38.0138	3
19.1142	38.0971	3
19.1171	38.1006	3
19.1873	38.1805	3
19.2004	38.1935	3
19.2815	38.2638	3
19.2838	38.2656	3
19.3671	38.3282	3
19.3961	38.3471	3
19.4504	38.3812	3
19.5338	38.4258	3
19.5438	38.4305	3
19.6171	38.4648	3
19.7004	38.4998	3
19.7491	38.5138	3
19.7838	38.5243	3
> 6 contour
20.1171	37.9412	6
20.2004	37.9649	6
20.2838	37.9603	6
20.3671	37.9522	6
20.4504	37.9325	6
20.4562	37.9305	6
20.5338	37.9065	6
20.6171	37.8633	6
20.6259	37.8471	6
20.6675	37.7638	6
20.7004	37.7297	6
20.7442	37.6805	6
20.7838	37.6241	6
20.8278	37.5971	6
20.84	37.5138	6
20.8336	37.4305	6
20.8062	37.3471	6
20.7838	37.3093	6
20.7584	37.2638	6
20.7004	37.1976	6
20.68	37.1805	6
20.6171	37.1364	6
20.5366	37.0971	6
20.5338	37.0958	6
20.4504	37.065	6
20.3671	37.0469	6
20.2838	37.0398	6
20.2004	37.0355	6
20.1171	37.0566	6
20.0338	37.0817	6
20	37.0971	6
19.9504	37.1191	6
19.8671	37.1743	6
19.8595	37.1805	6
19.7838	37.2561	6
19.777	37.2638	6
19.7256	37.3471	6
19.7013	37.4305	6
19.7004	37.4433	6
19.6947	37.5138	6
19.7004	37.5509	6
19.7065	37.5971	6
19.7383	37.6805	6
19.7838	37.7431	6
19.7998	37.7638	6
19.8671	37.8269	6
19.8955	37.8471	6
19.9504	37.8818	6
20.0338	37.9184	6
20.0809	37.9305	6
20.1171	37.9412	6
> 9 contour
20.2004	37.7843	9
20.2838	37.781	9
20.364	37.7638	9
20.3671	37.7634	9
20.4504	37.7355	9
20.5283	37.6805	9
20.5338	37.6747	9
20.5928	37.5971	9
20.6097	37.5138	9
20.6023	37.4305	9
20.5561	37.3471	9
20.5338	37.3248	9
20.4504	37.2674	9
20.4407	37.2638	9
20.3671	37.2323	9
20.2838	37.2186	9
20.2004	37.2148	9
20.1171	37.2517	9
20.0942	37.2638	9
20.0338	37.2965	9
19.9799	37.3471	9
19.9504	37.4003	9
19.9333	37.4305	9
19.9218	37.5138	9
19.9461	37.5971	9
19.9504	37.6036	9
20.0063	37.6805	9
20.0338	37.7034	9
20.1171	37.7493	9
20.156	37.7638	9
20.2004	37.7843	9
> 12 contour
20.2004	37.6933	12
20.2838	37.6976	12
20.3461	37.6805	12
20.3671	37.6767	12
20.4504	37.6227	12
20.4754	37.5971	12
20.5085	37.5138	12
20.4936	37.4305	12
20.4504	37.3786	12
20.4128	37.3471	12
20.3671	37.3195	12
20.2838	37.2995	12
20.2004	37.3044	12
20.1198	37.3471	12
20.1171	37.3485	12
20.0415	37.4305	12
20.0338	37.4881	12
20.0284	37.5138	12
20.0338	37.5274	12
20.0558	37.5971	12
20.1171	37.6545	12
20.1755	37.6805	12
20.2004	37.6933	12
> 15 contour
20.2004	37.6345	15
20.2838	37.6526	15
20.3671	37.6264	15
20.4036	37.5971	15
20.4439	37.5138	15
20.4279	37.4305	15
20.3671	37.3739	15
20.2838	37.3537	15
20.2004	37.3669	15
20.1171	37.4149	15
20.1027	37.4305	15
20.0773	37.5138	15
20.1171	37.5816	15
20.1357	37.5971	15
20.2004	37.6345	15
> 18 contour
20.2838	37.6166	18
20.3308	37.5971	18
20.3671	37.5702	18
20.4029	37.5138	18
20.3817	37.4305	18
20.3671	37.4169	18
20.2838	37.3901	18
20.2004	37.4172	18
20.1791	37.4305	18
20.1335	37.5138	18
20.2004	37.5671	18
20.2309	37.5971	18
20.2838	37.6166	18