> 20 contour
168.122	-18.1115	20
168.172	-18.1124	20
168.222	-18.1117	20
168.233	-18.115	20
168.272	-18.1247	20
168.322	-18.1374	20
168.367	-18.165	20
168.372	-18.1679	20
168.422	-18.2006	20
168.436	-18.215	20
168.472	-18.2586	20
168.478	-18.265	20
168.511	-18.315	20
168.522	-18.3406	20
168.532	-18.365	20
168.545	-18.415	20
168.548	-18.465	20
168.547	-18.515	20
168.536	-18.565	20
168.522	-18.6023	20
168.517	-18.615	20
168.488	-18.665	20
168.472	-18.6839	20
168.448	-18.715	20
168.422	-18.7421	20
168.388	-18.765	20
168.372	-18.7751	20
168.322	-18.8042	20
168.276	-18.815	20
168.272	-18.8162	20
168.222	-18.8313	20
168.172	-18.8305	20
168.122	-18.8316	20
168.072	-18.8169	20
168.065	-18.815	20
168.022	-18.8046	20
167.972	-18.7751	20
167.956	-18.765	20
167.922	-18.7421	20
167.896	-18.715	20
167.872	-18.6839	20
167.856	-18.665	20
167.827	-18.615	20
167.822	-18.6023	20
167.808	-18.565	20
167.797	-18.515	20
167.796	-18.465	20
167.799	-18.415	20
167.812	-18.365	20
167.822	-18.3407	20
167.833	-18.315	20
167.866	-18.265	20
167.872	-18.2586	20
167.908	-18.215	20
167.922	-18.2006	20
167.972	-18.1679	20
167.977	-18.165	20
168.022	-18.1371	20
168.072	-18.1242	20
168.11	-18.115	20
168.122	-18.1115	20
> 40 contour
168.122	-18.2563	40
168.172	-18.2552	40
168.222	-18.2567	40
168.239	-18.265	40
168.272	-18.2823	40
168.322	-18.3069	40
168.33	-18.315	40
168.364	-18.365	40
168.372	-18.3802	40
168.39	-18.415	40
168.397	-18.465	40
168.394	-18.515	40
168.372	-18.5625	40
168.371	-18.565	40
168.342	-18.615	40
168.322	-18.6359	40
168.272	-18.6611	40
168.265	-18.665	40
168.222	-18.6867	40
168.172	-18.6881	40
168.122	-18.687	40
168.077	-18.665	40
168.072	-18.6623	40
168.022	-18.6366	40
168.002	-18.615	40
167.973	-18.565	40
167.972	-18.5625	40
167.95	-18.515	40
167.947	-18.465	40
167.954	-18.415	40
167.972	-18.3802	40
167.98	-18.365	40
168.013	-18.315	40
168.022	-18.3062	40
168.072	-18.2809	40
168.104	-18.265	40
168.122	-18.2563	40
> 60 contour
168.072	-18.3556	60
168.122	-18.326	60
168.172	-18.3193	60
168.222	-18.3262	60
168.272	-18.3558	60
168.283	-18.365	60
168.32	-18.415	60
168.322	-18.4205	60
168.334	-18.465	60
168.326	-18.515	60
168.322	-18.5223	60
168.297	-18.565	60
168.272	-18.5873	60
168.222	-18.615	60
168.222	-18.615	60
168.172	-18.6264	60
168.122	-18.6155	60
168.121	-18.615	60
168.072	-18.5878	60
168.047	-18.565	60
168.022	-18.5217	60
168.018	-18.515	60
168.01	-18.465	60
168.022	-18.4211	60
168.024	-18.415	60
168.061	-18.365	60
168.072	-18.3556	60
> 80 contour
168.172	-18.3619	80
168.189	-18.365	80
168.222	-18.3728	80
168.263	-18.415	80
168.272	-18.4303	80
168.289	-18.465	80
168.273	-18.515	80
168.272	-18.5164	80
168.222	-18.5613	80
168.215	-18.565	80
168.172	-18.5853	80
168.129	-18.565	80
168.122	-18.5613	80
168.072	-18.515	80
168.072	-18.5148	80
168.055	-18.465	80
168.072	-18.4309	80
168.081	-18.415	80
168.122	-18.3728	80
168.155	-18.365	80
168.172	-18.3619	80
> 100 contour
168.172	-18.3911	100
168.212	-18.415	100
168.222	-18.4285	100
168.246	-18.465	100
168.224	-18.515	100
168.222	-18.5167	100
168.172	-18.5519	100
168.122	-18.5164	100
168.121	-18.515	100
168.098	-18.465	100
168.122	-18.4287	100
168.132	-18.415	100
168.172	-18.3911	100