> 4 contour
180.422	-15.0511	4
180.506	-15.0246	4
180.589	-15.0044	4
180.672	-14.9978	4
180.756	-14.9957	4
180.839	-15.0008	4
180.922	-15.013	4
181.006	-15.0336	4
181.089	-15.0612	4
181.11	-15.0721	4
181.172	-15.1031	4
181.256	-15.1548	4
181.256	-15.1554	4
181.339	-15.2184	4
181.361	-15.2387	4
181.422	-15.3007	4
181.441	-15.3221	4
181.502	-15.4054	4
181.506	-15.4108	4
181.553	-15.4887	4
181.589	-15.5721	4
181.589	-15.5727	4
181.616	-15.6554	4
181.633	-15.7387	4
181.642	-15.8221	4
181.642	-15.9054	4
181.635	-15.9887	4
181.619	-16.0721	4
181.594	-16.1554	4
181.589	-16.1673	4
181.559	-16.2387	4
181.511	-16.3221	4
181.506	-16.3298	4
181.452	-16.4054	4
181.422	-16.4402	4
181.376	-16.4887	4
181.339	-16.5222	4
181.275	-16.5721	4
181.256	-16.5859	4
181.172	-16.636	4
181.134	-16.6554	4
181.089	-16.6786	4
181.006	-16.7056	4
180.922	-16.7255	4
180.839	-16.7373	4
180.815	-16.7387	4
180.756	-16.7429	4
180.672	-16.7407	4
180.651	-16.7387	4
180.589	-16.7339	4
180.506	-16.7142	4
180.422	-16.6884	4
180.347	-16.6554	4
180.339	-16.6519	4
180.256	-16.608	4
180.203	-16.5721	4
180.172	-16.5501	4
180.099	-16.4887	4
180.089	-16.4788	4
180.025	-16.4054	4
180.006	-16.3775	4
179.967	-16.3221	4
179.922	-16.2392	4
179.922	-16.2387	4
179.886	-16.1554	4
179.861	-16.0721	4
179.846	-15.9887	4
179.839	-15.9072	4
179.839	-15.9054	4
179.839	-15.8882	4
179.839	-15.8221	4
179.848	-15.7387	4
179.864	-15.6554	4
179.891	-15.5721	4
179.922	-15.5028	4
179.928	-15.4887	4
179.975	-15.4054	4
180.006	-15.3632	4
180.035	-15.3221	4
180.089	-15.2611	4
180.113	-15.2387	4
180.172	-15.1897	4
180.221	-15.1554	4
180.256	-15.1321	4
180.339	-15.0868	4
180.374	-15.0721	4
180.422	-15.0511	4
> 8 contour
180.506	-15.5629	8
180.589	-15.5073	8
180.672	-15.4931	8
180.756	-15.489	8
180.839	-15.4995	8
180.922	-15.5294	8
180.987	-15.5721	8
181.006	-15.5856	8
181.073	-15.6554	8
181.089	-15.6824	8
181.117	-15.7387	8
181.136	-15.8221	8
181.136	-15.9054	8
181.117	-15.9887	8
181.089	-16.0485	8
181.076	-16.0721	8
181.006	-16.152	8
181.002	-16.1554	8
180.922	-16.2098	8
180.839	-16.2377	8
180.832	-16.2387	8
180.756	-16.2528	8
180.672	-16.2485	8
180.631	-16.2387	8
180.589	-16.2308	8
180.506	-16.1754	8
180.481	-16.1554	8
180.422	-16.092	8
180.407	-16.0721	8
180.365	-15.9887	8
180.348	-15.9054	8
180.349	-15.8221	8
180.369	-15.7387	8
180.415	-15.6554	8
180.422	-15.6458	8
180.494	-15.5721	8
180.506	-15.5629	8
> 12 contour
180.672	-15.6343	12
180.756	-15.6268	12
180.839	-15.6517	12
180.845	-15.6554	12
180.922	-15.7064	12
180.951	-15.7387	12
180.987	-15.8221	12
180.985	-15.9054	12
180.953	-15.9887	12
180.922	-16.0274	12
180.866	-16.0721	12
180.839	-16.0899	12
180.756	-16.1167	12
180.672	-16.1087	12
180.597	-16.0721	12
180.589	-16.0675	12
180.524	-15.9887	12
180.506	-15.9341	12
180.493	-15.9054	12
180.494	-15.8221	12
180.506	-15.7957	12
180.527	-15.7387	12
180.589	-15.6702	12
180.623	-15.6554	12
180.672	-15.6343	12
> 16 contour
180.672	-15.7054	16
180.756	-15.6905	16
180.839	-15.7263	16
180.854	-15.7387	16
180.913	-15.8221	16
180.913	-15.9054	16
180.866	-15.9887	16
180.839	-16.0136	16
180.756	-16.0509	16
180.672	-16.0342	16
180.612	-15.9887	16
180.589	-15.9531	16
180.564	-15.9054	16
180.566	-15.8221	16
180.589	-15.7824	16
180.623	-15.7387	16
180.672	-15.7054	16
> 20 contour
180.672	-15.7634	20
180.756	-15.7389	20
180.839	-15.7839	20
180.869	-15.8221	20
180.872	-15.9054	20
180.839	-15.952	20
180.788	-15.9887	20
180.756	-16.0065	20
180.705	-15.9887	20
180.672	-15.9742	20
180.617	-15.9054	20
180.62	-15.8221	20
180.672	-15.7634	20
> 24 contour
180.672	-15.8165	24
180.756	-15.7706	24
180.826	-15.8221	24
180.831	-15.9054	24
180.756	-15.9682	24
180.672	-15.9175	24
180.663	-15.9054	24
180.667	-15.8221	24
180.672	-15.8165	24