> 20 contour
349.93	36.6931	20
350.014	36.7065	20
350.097	36.7086	20
350.18	36.6944	20
350.245	36.6684	20
350.264	36.6623	20
350.347	36.6061	20
350.368	36.5851	20
350.415	36.5017	20
350.423	36.4184	20
350.408	36.3351	20
350.347	36.2525	20
350.346	36.2517	20
350.264	36.1924	20
350.183	36.1684	20
350.18	36.1672	20
350.097	36.1495	20
350.014	36.1496	20
349.93	36.1672	20
349.929	36.1684	20
349.847	36.2307	20
349.821	36.2517	20
349.764	36.3351	20
349.764	36.3363	20
349.741	36.4184	20
349.754	36.5017	20
349.764	36.5183	20
349.8	36.5851	20
349.847	36.6284	20
349.896	36.6684	20
349.93	36.6931	20
> 40 contour
349.93	36.5334	40
350.014	36.581	40
350.097	36.5843	40
350.18	36.5642	40
350.25	36.5017	40
350.264	36.4218	40
350.264	36.4184	40
350.264	36.4164	40
350.235	36.3351	40
350.18	36.291	40
350.097	36.2662	40
350.014	36.2716	40
349.93	36.3232	40
349.92	36.3351	40
349.885	36.4184	40
349.905	36.5017	40
349.93	36.5334	40
> 60 contour
350.014	36.5178	60
350.097	36.5473	60
350.173	36.5017	60
350.18	36.4868	60
350.21	36.4184	60
350.18	36.3731	60
350.135	36.3351	60
350.097	36.3161	60
350.014	36.3351	60
350.014	36.3353	60
349.957	36.4184	60
349.992	36.5017	60
350.014	36.5178	60
> 80 contour
350.097	36.5102	80
350.111	36.5017	80
350.169	36.4184	80
350.097	36.3499	80
350.014	36.4182	80
350.013	36.4184	80
350.014	36.4186	80
350.077	36.5017	80
350.097	36.5102	80