> 5 contour
176.75	50.7754	5
176.834	50.8195	5
176.917	50.8167	5
177	50.8171	5
177.084	50.8102	5
177.167	50.7956	5
177.25	50.7685	5
177.264	50.7629	5
177.334	50.7325	5
177.394	50.6796	5
177.417	50.6503	5
177.461	50.5963	5
177.489	50.5129	5
177.481	50.4296	5
177.437	50.3463	5
177.417	50.3257	5
177.356	50.2629	5
177.334	50.2446	5
177.25	50.2055	5
177.167	50.1835	5
177.138	50.1796	5
177.084	50.1687	5
177	50.1599	5
176.917	50.1608	5
176.834	50.1574	5
176.791	50.1796	5
176.75	50.1996	5
176.667	50.2347	5
176.622	50.2629	5
176.584	50.292	5
176.529	50.3463	5
176.5	50.4073	5
176.489	50.4296	5
176.48	50.5129	5
176.5	50.5682	5
176.509	50.5963	5
176.577	50.6796	5
176.584	50.685	5
176.667	50.7415	5
176.721	50.7629	5
176.75	50.7754	5
> 10 contour
176.917	50.6869	10
177	50.687	10
177.028	50.6796	10
177.084	50.6709	10
177.167	50.6411	10
177.225	50.5963	10
177.25	50.5507	10
177.273	50.5129	10
177.256	50.4296	10
177.25	50.4224	10
177.179	50.3463	10
177.167	50.338	10
177.084	50.301	10
177	50.2839	10
176.917	50.2853	10
176.834	50.3046	10
176.78	50.3463	10
176.75	50.3772	10
176.703	50.4296	10
176.688	50.5129	10
176.747	50.5963	10
176.75	50.5994	10
176.834	50.6696	10
176.885	50.6796	10
176.917	50.6869	10
> 15 contour
176.917	50.6339	15
177	50.6434	15
177.084	50.6143	15
177.114	50.5963	15
177.167	50.545	15
177.191	50.5129	15
177.168	50.4296	15
177.167	50.4281	15
177.084	50.3622	15
177.013	50.3463	15
177	50.3416	15
176.957	50.3463	15
176.917	50.349	15
176.834	50.3908	15
176.795	50.4296	15
176.776	50.5129	15
176.834	50.5855	15
176.845	50.5963	15
176.917	50.6339	15
> 20 contour
177	50.6042	20
177.019	50.5963	20
177.084	50.5741	20
177.145	50.5129	20
177.122	50.4296	20
177.084	50.399	20
177	50.3683	20
176.917	50.3859	20
176.858	50.4296	20
176.839	50.5129	20
176.917	50.5879	20
176.962	50.5963	20
177	50.6042	20
> 25 contour
176.917	50.5523	25
177	50.5796	25
177.084	50.5416	25
177.113	50.5129	25
177.084	50.4431	25
177.075	50.4296	25
177	50.3922	25
176.917	50.4227	25
176.908	50.4296	25
176.876	50.5129	25
176.917	50.5523	25
> 30 contour
176.917	50.5168	30
177	50.5586	30
177.079	50.5129	30
177.027	50.4296	30
177	50.4161	30
176.966	50.4296	30
176.917	50.5031	30
176.913	50.5129	30
176.917	50.5168	30