> 20 contour
169.37	-21.8668	20
169.403	-21.868	20
169.42	-21.8684	20
169.442	-21.868	20
169.47	-21.8672	20
169.472	-21.868	20
169.52	-21.8811	20
169.57	-21.8946	20
169.606	-21.918	20
169.62	-21.9272	20
169.67	-21.9643	20
169.673	-21.968	20
169.712	-22.018	20
169.72	-22.0335	20
169.741	-22.068	20
169.759	-22.118	20
169.766	-22.168	20
169.765	-22.218	20
169.758	-22.268	20
169.739	-22.318	20
169.72	-22.3489	20
169.71	-22.368	20
169.67	-22.4175	20
169.669	-22.418	20
169.62	-22.4548	20
169.599	-22.468	20
169.57	-22.4867	20
169.52	-22.5005	20
169.47	-22.5144	20
169.42	-22.5136	20
169.37	-22.5148	20
169.32	-22.5013	20
169.27	-22.4874	20
169.24	-22.468	20
169.22	-22.4549	20
169.171	-22.418	20
169.17	-22.4175	20
169.13	-22.368	20
169.12	-22.3489	20
169.101	-22.318	20
169.082	-22.268	20
169.075	-22.218	20
169.074	-22.168	20
169.081	-22.118	20
169.099	-22.068	20
169.12	-22.0334	20
169.128	-22.018	20
169.167	-21.968	20
169.17	-21.9643	20
169.22	-21.9272	20
169.234	-21.918	20
169.27	-21.894	20
169.32	-21.8804	20
169.366	-21.868	20
169.37	-21.8668	20
> 40 contour
169.37	-21.9976	40
169.42	-21.9961	40
169.47	-21.9982	40
169.507	-22.018	40
169.52	-22.0242	40
169.57	-22.0548	40
169.582	-22.068	40
169.611	-22.118	40
169.62	-22.1657	40
169.621	-22.168	40
169.62	-22.182	40
169.619	-22.218	40
169.609	-22.268	40
169.576	-22.318	40
169.57	-22.3247	40
169.52	-22.3567	40
169.494	-22.368	40
169.47	-22.3802	40
169.42	-22.3827	40
169.37	-22.3808	40
169.344	-22.368	40
169.32	-22.3579	40
169.27	-22.3256	40
169.263	-22.318	40
169.231	-22.268	40
169.221	-22.218	40
169.22	-22.182	40
169.219	-22.168	40
169.22	-22.1657	40
169.229	-22.118	40
169.258	-22.068	40
169.27	-22.0539	40
169.32	-22.023	40
169.331	-22.018	40
169.37	-21.9976	40
> 60 contour
169.37	-22.0637	60
169.42	-22.0512	60
169.47	-22.0642	60
169.477	-22.068	60
169.52	-22.0918	60
169.547	-22.118	60
169.564	-22.168	60
169.568	-22.218	60
169.537	-22.268	60
169.52	-22.2836	60
169.47	-22.3117	60
169.433	-22.318	60
169.42	-22.321	60
169.406	-22.318	60
169.37	-22.312	60
169.32	-22.2843	60
169.303	-22.268	60
169.272	-22.218	60
169.276	-22.168	60
169.294	-22.118	60
169.32	-22.0913	60
169.362	-22.068	60
169.37	-22.0637	60
> 80 contour
169.37	-22.1058	80
169.42	-22.0885	80
169.47	-22.1058	80
169.487	-22.118	80
169.52	-22.1579	80
169.526	-22.168	80
169.521	-22.218	80
169.52	-22.2194	80
169.47	-22.268	80
169.47	-22.2682	80
169.42	-22.289	80
169.37	-22.2684	80
169.369	-22.268	80
169.32	-22.2194	80
169.319	-22.218	80
169.314	-22.168	80
169.32	-22.158	80
169.353	-22.118	80
169.37	-22.1058	80