> 3 contour
-172.453	-16.8367	3
-172.37	-16.8189	3
-172.286	-16.8151	3
-172.203	-16.8239	3
-172.145	-16.8396	3
-172.12	-16.8462	3
-172.036	-16.8827	3
-172.024	-16.8896	3
-171.953	-16.9362	3
-171.949	-16.9396	3
-171.894	-16.9896	3
-171.87	-17.0237	3
-171.858	-17.0396	3
-171.819	-17.0896	3
-171.803	-17.1396	3
-171.786	-17.1758	3
-171.779	-17.1896	3
-171.775	-17.2396	3
-171.758	-17.2896	3
-171.765	-17.3396	3
-171.759	-17.3896	3
-171.778	-17.4396	3
-171.786	-17.4896	3
-171.786	-17.4903	3
-171.812	-17.5396	3
-171.832	-17.5896	3
-171.87	-17.6337	3
-171.874	-17.6396	3
-171.913	-17.6896	3
-171.953	-17.7244	3
-171.976	-17.7396	3
-172.036	-17.7769	3
-172.064	-17.7896	3
-172.12	-17.8134	3
-172.203	-17.835	3
-172.251	-17.8396	3
-172.286	-17.8433	3
-172.354	-17.8396	3
-172.37	-17.8389	3
-172.453	-17.8228	3
-172.536	-17.7928	3
-172.542	-17.7896	3
-172.62	-17.7452	3
-172.627	-17.7396	3
-172.69	-17.6896	3
-172.703	-17.6744	3
-172.732	-17.6396	3
-172.772	-17.5896	3
-172.786	-17.556	3
-172.794	-17.5396	3
-172.824	-17.4896	3
-172.832	-17.4396	3
-172.849	-17.3896	3
-172.845	-17.3396	3
-172.85	-17.2896	3
-172.836	-17.2396	3
-172.83	-17.1896	3
-172.804	-17.1396	3
-172.786	-17.0971	3
-172.784	-17.0896	3
-172.747	-17.0396	3
-172.709	-16.9896	3
-172.703	-16.9843	3
-172.652	-16.9396	3
-172.62	-16.9139	3
-172.58	-16.8896	3
-172.536	-16.8658	3
-172.461	-16.8396	3
-172.453	-16.8367	3
> 6 contour
-172.37	-17.1133	6
-172.286	-17.105	6
-172.203	-17.1251	6
-172.178	-17.1396	6
-172.12	-17.1796	6
-172.108	-17.1896	6
-172.079	-17.2396	6
-172.047	-17.2896	6
-172.055	-17.3396	6
-172.05	-17.3896	6
-172.088	-17.4396	6
-172.12	-17.4785	6
-172.13	-17.4896	6
-172.203	-17.5338	6
-172.226	-17.5396	6
-172.286	-17.5561	6
-172.37	-17.546	6
-172.386	-17.5396	6
-172.453	-17.5132	6
-172.484	-17.4896	6
-172.519	-17.4396	6
-172.536	-17.4102	6
-172.552	-17.3896	6
-172.543	-17.3396	6
-172.556	-17.2896	6
-172.536	-17.2633	6
-172.524	-17.2396	6
-172.502	-17.1896	6
-172.453	-17.1483	6
-172.433	-17.1396	6
-172.37	-17.1133	6
> 9 contour
-172.286	-17.1872	9
-172.28	-17.1896	9
-172.203	-17.2253	9
-172.188	-17.2396	9
-172.145	-17.2896	9
-172.147	-17.3396	9
-172.152	-17.3896	9
-172.203	-17.4333	9
-172.215	-17.4396	9
-172.286	-17.4715	9
-172.37	-17.4547	9
-172.396	-17.4396	9
-172.453	-17.3903	9
-172.454	-17.3896	9
-172.47	-17.3396	9
-172.461	-17.2896	9
-172.453	-17.2786	9
-172.421	-17.2396	9
-172.37	-17.2056	9
-172.297	-17.1896	9
-172.286	-17.1872	9
> 12 contour
-172.286	-17.2314	12
-172.271	-17.2396	12
-172.209	-17.2896	12
-172.203	-17.3396	12
-172.219	-17.3896	12
-172.286	-17.4274	12
-172.37	-17.398	12
-172.381	-17.3896	12
-172.411	-17.3396	12
-172.382	-17.2896	12
-172.37	-17.2774	12
-172.31	-17.2396	12
-172.286	-17.2314	12
> 15 contour
-172.286	-17.2702	15
-172.26	-17.2896	15
-172.221	-17.3396	15
-172.274	-17.3896	15
-172.286	-17.3963	15
-172.303	-17.3896	15
-172.364	-17.3396	15
-172.318	-17.2896	15
-172.286	-17.2702	15