> 3 contour
156.084	-6.7538	3
156.167	-6.73657	3
156.236	-6.7601	3
156.25	-6.76477	3
156.331	-6.8101	3
156.334	-6.81208	3
156.397	-6.8601	3
156.417	-6.88089	3
156.44	-6.9101	3
156.475	-6.9601	3
156.49	-7.0101	3
156.5	-7.03375	3
156.516	-7.0601	3
156.515	-7.1101	3
156.536	-7.1601	3
156.519	-7.2101	3
156.526	-7.2601	3
156.5	-7.3051	3
156.498	-7.3101	3
156.491	-7.3601	3
156.463	-7.4101	3
156.43	-7.4601	3
156.417	-7.47391	3
156.375	-7.5101	3
156.334	-7.54184	3
156.304	-7.5601	3
156.25	-7.58827	3
156.184	-7.6101	3
156.167	-7.61546	3
156.084	-7.62627	3
156	-7.62077	3
155.959	-7.6101	3
155.917	-7.60008	3
155.834	-7.56268	3
155.83	-7.5601	3
155.763	-7.5101	3
155.75	-7.49929	3
155.71	-7.4601	3
155.68	-7.4101	3
155.667	-7.38973	3
155.584	-7.38083	3
155.551	-7.3601	3
155.584	-7.31955	3
155.633	-7.3101	3
155.61	-7.2601	3
155.613	-7.2101	3
155.601	-7.1601	3
155.667	-7.14638	3
155.69	-7.1101	3
155.713	-7.0601	3
155.721	-7.0101	3
155.75	-6.99039	3
155.791	-6.9601	3
155.75	-6.91938	3
155.701	-6.9101	3
155.748	-6.8601	3
155.689	-6.8101	3
155.75	-6.77097	3
155.834	-6.80666	3
155.841	-6.8101	3
155.917	-6.84012	3
155.959	-6.8601	3
155.981	-6.9101	3
156	-6.94817	3
156.084	-6.93817	3
156.098	-6.9101	3
156.12	-6.8601	3
156.14	-6.8101	3
156.084	-6.76852	3
156.072	-6.7601	3
156.084	-6.7538	3
> 6 contour
156.084	-6.99715	6
156.167	-7.00677	6
156.172	-7.0101	6
156.238	-7.0601	6
156.25	-7.09103	6
156.26	-7.1101	6
156.306	-7.1601	6
156.272	-7.2101	6
156.265	-7.2601	6
156.25	-7.27416	6
156.214	-7.3101	6
156.167	-7.34703	6
156.126	-7.3601	6
156.084	-7.37376	6
156	-7.36053	6
155.999	-7.3601	6
155.917	-7.31943	6
155.908	-7.3101	6
155.863	-7.2601	6
155.855	-7.2101	6
155.84	-7.1601	6
155.886	-7.1101	6
155.834	-7.07518	6
155.801	-7.0601	6
155.834	-7.04621	6
155.917	-7.03096	6
156	-7.03421	6
156.058	-7.0101	6
156.084	-6.99715	6
> 9 contour
156.084	-7.04777	9
156.11	-7.0601	9
156.167	-7.1056	9
156.171	-7.1101	9
156.227	-7.1601	9
156.193	-7.2101	9
156.167	-7.25572	9
156.165	-7.2601	9
156.084	-7.30386	9
156	-7.28122	9
155.966	-7.2601	9
155.93	-7.2101	9
155.917	-7.16778	9
155.915	-7.1601	9
155.917	-7.15623	9
155.95	-7.1101	9
156	-7.07293	9
156.041	-7.0601	9
156.084	-7.04777	9
> 12 contour
156.084	-7.08392	12
156.123	-7.1101	12
156.167	-7.14935	12
156.18	-7.1601	12
156.167	-7.17515	12
156.153	-7.2101	12
156.102	-7.2601	12
156.084	-7.26989	12
156.058	-7.2601	12
156	-7.21289	12
155.998	-7.2101	12
155.969	-7.1601	12
156	-7.12994	12
156.026	-7.1101	12
156.084	-7.08392	12