> 3 contour
-173.237	-15.4154	3
-173.154	-15.3995	3
-173.07	-15.3961	3
-172.987	-15.4041	3
-172.934	-15.4168	3
-172.904	-15.4237	3
-172.82	-15.4558	3
-172.8	-15.4668	3
-172.737	-15.5022	3
-172.717	-15.5168	3
-172.659	-15.5668	3
-172.654	-15.5722	3
-172.612	-15.6168	3
-172.575	-15.6668	3
-172.57	-15.6753	3
-172.545	-15.7168	3
-172.521	-15.7668	3
-172.504	-15.8168	3
-172.492	-15.8668	3
-172.487	-15.8965	3
-172.483	-15.9168	3
-172.48	-15.9668	3
-172.48	-16.0168	3
-172.485	-16.0668	3
-172.487	-16.0765	3
-172.495	-16.1168	3
-172.507	-16.1668	3
-172.527	-16.2168	3
-172.553	-16.2668	3
-172.57	-16.2934	3
-172.585	-16.3168	3
-172.626	-16.3668	3
-172.654	-16.3962	3
-172.674	-16.4168	3
-172.737	-16.4659	3
-172.739	-16.4668	3
-172.82	-16.5119	3
-172.833	-16.5168	3
-172.904	-16.5446	3
-172.987	-16.5632	3
-173.029	-16.5668	3
-173.07	-16.5709	3
-173.154	-16.5673	3
-173.156	-16.5668	3
-173.237	-16.5528	3
-173.32	-16.5268	3
-173.342	-16.5168	3
-173.404	-16.4859	3
-173.433	-16.4668	3
-173.487	-16.4262	3
-173.498	-16.4168	3
-173.548	-16.3668	3
-173.57	-16.3403	3
-173.59	-16.3168	3
-173.622	-16.2668	3
-173.647	-16.2168	3
-173.654	-16.2001	3
-173.669	-16.1668	3
-173.683	-16.1168	3
-173.696	-16.0668	3
-173.701	-16.0168	3
-173.664	-15.9668	3
-173.663	-15.9168	3
-173.661	-15.8668	3
-173.672	-15.8168	3
-173.654	-15.7734	3
-173.651	-15.7668	3
-173.629	-15.7168	3
-173.6	-15.6668	3
-173.57	-15.6284	3
-173.561	-15.6168	3
-173.515	-15.5668	3
-173.487	-15.5422	3
-173.454	-15.5168	3
-173.404	-15.4824	3
-173.374	-15.4668	3
-173.32	-15.4407	3
-173.241	-15.4168	3
-173.237	-15.4154	3
> 6 contour
-173.154	-15.7322	6
-173.07	-15.7243	6
-172.987	-15.7434	6
-172.946	-15.7668	6
-172.904	-15.7951	6
-172.879	-15.8168	6
-172.841	-15.8668	6
-172.823	-15.9168	6
-172.82	-15.9394	6
-172.816	-15.9668	6
-172.812	-16.0168	6
-172.82	-16.0405	6
-172.826	-16.0668	6
-172.854	-16.1168	6
-172.899	-16.1668	6
-172.904	-16.1706	6
-172.976	-16.2168	6
-172.987	-16.2226	6
-173.07	-16.2427	6
-173.154	-16.2331	6
-173.196	-16.2168	6
-173.237	-16.2014	6
-173.281	-16.1668	6
-173.313	-16.1168	6
-173.32	-16.1021	6
-173.345	-16.0668	6
-173.358	-16.0168	6
-173.356	-15.9668	6
-173.349	-15.9168	6
-173.328	-15.8668	6
-173.32	-15.8565	6
-173.296	-15.8168	6
-173.237	-15.7676	6
-173.235	-15.7668	6
-173.154	-15.7322	6
> 9 contour
-173.154	-15.8346	9
-173.07	-15.8219	9
-172.987	-15.8534	9
-172.97	-15.8668	9
-172.924	-15.9168	9
-172.915	-15.9668	9
-172.912	-16.0168	9
-172.933	-16.0668	9
-172.987	-16.1132	9
-172.995	-16.1168	9
-173.07	-16.1488	9
-173.154	-16.1316	9
-173.181	-16.1168	9
-173.237	-16.0759	9
-173.245	-16.0668	9
-173.271	-16.0168	9
-173.272	-15.9668	9
-173.255	-15.9168	9
-173.237	-15.8915	9
-173.211	-15.8668	9
-173.154	-15.8346	9
> 12 contour
-173.154	-15.8973	12
-173.07	-15.8699	12
-172.987	-15.9157	12
-172.986	-15.9168	12
-172.968	-15.9668	12
-172.963	-16.0168	12
-172.987	-16.0486	12
-173.005	-16.0668	12
-173.07	-16.1017	12
-173.154	-16.0746	12
-173.165	-16.0668	12
-173.211	-16.0168	12
-173.216	-15.9668	12
-173.178	-15.9168	12
-173.154	-15.8973	12
> 15 contour
-173.07	-15.8959	15
-173.033	-15.9168	15
-172.998	-15.9668	15
-173.001	-16.0168	15
-173.07	-16.0661	15
-173.154	-16.02	15
-173.157	-16.0168	15
-173.167	-15.9668	15
-173.154	-15.9529	15
-173.116	-15.9168	15
-173.07	-15.8959	15