> 4 contour
181.777	-30.942	4
181.861	-30.9256	4
181.944	-30.9244	4
182.027	-30.9407	4
182.086	-30.9639	4
182.111	-30.972	4
182.194	-31.0301	4
182.213	-31.0472	4
182.272	-31.1306	4
182.277	-31.147	4
182.299	-31.2139	4
182.3	-31.2972	4
182.277	-31.3667	4
182.273	-31.3806	4
182.207	-31.4639	4
182.194	-31.4754	4
182.111	-31.5282	4
182.048	-31.5472	4
182.027	-31.5552	4
181.944	-31.5692	4
181.861	-31.5646	4
181.777	-31.5534	4
181.768	-31.5472	4
181.694	-31.4959	4
181.656	-31.4639	4
181.611	-31.4082	4
181.591	-31.3806	4
181.56	-31.2972	4
181.559	-31.2139	4
181.586	-31.1306	4
181.611	-31.0937	4
181.647	-31.0472	4
181.694	-31.0094	4
181.748	-30.9639	4
181.777	-30.942	4
> 8 contour
181.777	-31.1059	8
181.861	-31.0619	8
181.944	-31.0535	8
182.027	-31.0792	8
182.09	-31.1306	8
182.111	-31.168	8
182.137	-31.2139	8
182.138	-31.2972	8
182.111	-31.3401	8
182.079	-31.3806	8
182.027	-31.4168	8
181.944	-31.4414	8
181.861	-31.4366	8
181.777	-31.3962	8
181.762	-31.3806	8
181.714	-31.2972	8
181.714	-31.2139	8
181.756	-31.1306	8
181.777	-31.1059	8
> 12 contour
181.861	-31.1302	12
181.944	-31.1001	12
181.997	-31.1306	12
182.027	-31.1509	12
182.078	-31.2139	12
182.074	-31.2972	12
182.027	-31.3486	12
181.948	-31.3806	12
181.944	-31.3826	12
181.931	-31.3806	12
181.861	-31.3723	12
181.784	-31.2972	12
181.782	-31.2139	12
181.86	-31.1306	12
181.861	-31.1302	12
> 16 contour
181.861	-31.1791	16
181.944	-31.1382	16
182.027	-31.2045	16
182.035	-31.2139	16
182.027	-31.2831	16
182.026	-31.2972	16
181.944	-31.3595	16
181.861	-31.3263	16
181.831	-31.2972	16
181.828	-31.2139	16
181.861	-31.1791	16