> 5 contour
247.104	-28.0935	5
247.105	-28.0936	5
247.187	-28.0978	5
247.27	-28.1092	5
247.354	-28.1407	5
247.409	-28.1769	5
247.437	-28.1982	5
247.496	-28.2603	5
247.52	-28.3114	5
247.537	-28.3436	5
247.553	-28.4269	5
247.539	-28.5103	5
247.52	-28.5553	5
247.507	-28.5936	5
247.437	-28.673	5
247.432	-28.6769	5
247.354	-28.73	5
247.27	-28.7582	5
247.251	-28.7603	5
247.187	-28.7709	5
247.104	-28.7798	5
247.065	-28.7603	5
247.02	-28.7421	5
246.937	-28.6994	5
246.909	-28.6769	5
246.854	-28.6134	5
246.838	-28.5936	5
246.801	-28.5103	5
246.792	-28.4269	5
246.807	-28.3436	5
246.852	-28.2603	5
246.854	-28.2585	5
246.935	-28.1769	5
246.937	-28.1752	5
247.02	-28.1275	5
247.104	-28.0936	5
247.104	-28.0935	5
> 10 contour
247.104	-28.2402	10
247.187	-28.2406	10
247.243	-28.2603	10
247.27	-28.2659	10
247.354	-28.3427	10
247.355	-28.3436	10
247.392	-28.4269	10
247.367	-28.5103	10
247.354	-28.5281	10
247.29	-28.5936	10
247.27	-28.6075	10
247.187	-28.6352	10
247.104	-28.6352	10
247.044	-28.5936	10
247.02	-28.5749	10
246.968	-28.5103	10
246.95	-28.4269	10
246.974	-28.3436	10
247.02	-28.2945	10
247.074	-28.2603	10
247.104	-28.2402	10
> 15 contour
247.104	-28.309	15
247.187	-28.2921	15
247.27	-28.3279	15
247.287	-28.3436	15
247.331	-28.4269	15
247.302	-28.5103	15
247.27	-28.5422	15
247.187	-28.5799	15
247.104	-28.5652	15
247.042	-28.5103	15
247.02	-28.4508	15
247.011	-28.4269	15
247.02	-28.4084	15
247.06	-28.3436	15
247.104	-28.309	15
> 20 contour
247.187	-28.3313	20
247.212	-28.3436	20
247.27	-28.3914	20
247.292	-28.4269	20
247.27	-28.4727	20
247.251	-28.5103	20
247.187	-28.552	20
247.104	-28.5135	20
247.1	-28.5103	20
247.063	-28.4269	20
247.104	-28.3716	20
247.151	-28.3436	20
247.187	-28.3313	20