> 3 contour
156.066	-7.10544	3
156.149	-7.10052	3
156.233	-7.11039	3
156.266	-7.1206	3
156.316	-7.1353	3
156.386	-7.1706	3
156.399	-7.17762	3
156.46	-7.2206	3
156.483	-7.23893	3
156.513	-7.2706	3
156.55	-7.3206	3
156.566	-7.35099	3
156.578	-7.3706	3
156.601	-7.4206	3
156.617	-7.4706	3
156.627	-7.5206	3
156.566	-7.53231	3
156.526	-7.5706	3
156.483	-7.60332	3
156.464	-7.6206	3
156.462	-7.6706	3
156.457	-7.7206	3
156.483	-7.74569	3
156.514	-7.7706	3
156.483	-7.79218	3
156.442	-7.8206	3
156.483	-7.85793	3
156.499	-7.8706	3
156.516	-7.9206	3
156.483	-7.92516	3
156.411	-7.9706	3
156.399	-8.01755	3
156.394	-8.0206	3
156.316	-8.05986	3
156.279	-8.0706	3
156.233	-8.08469	3
156.149	-8.09472	3
156.066	-8.09041	3
155.985	-8.0706	3
155.983	-8.0701	3
155.899	-8.03739	3
155.871	-8.0206	3
155.816	-7.98201	3
155.802	-7.9706	3
155.752	-7.9206	3
155.733	-7.89529	3
155.714	-7.8706	3
155.683	-7.8206	3
155.662	-7.7706	3
155.649	-7.72616	3
155.647	-7.7206	3
155.636	-7.6706	3
155.63	-7.6206	3
155.631	-7.5706	3
155.637	-7.5206	3
155.649	-7.4706	3
155.649	-7.47011	3
155.664	-7.4206	3
155.686	-7.3706	3
155.718	-7.3206	3
155.733	-7.30151	3
155.756	-7.2706	3
155.808	-7.2206	3
155.816	-7.21388	3
155.879	-7.1706	3
155.899	-7.16877	3
155.983	-7.12526	3
156.003	-7.1206	3
156.066	-7.10544	3
> 6 contour
156.066	-7.40216	6
156.149	-7.3891	6
156.233	-7.41463	6
156.241	-7.4206	6
156.301	-7.4706	6
156.316	-7.49469	6
156.334	-7.5206	6
156.352	-7.5706	6
156.355	-7.6206	6
156.341	-7.6706	6
156.316	-7.70701	6
156.308	-7.7206	6
156.251	-7.7706	6
156.233	-7.78271	6
156.149	-7.80653	6
156.066	-7.7951	6
156.016	-7.7706	6
155.983	-7.75185	6
155.952	-7.7206	6
155.924	-7.6706	6
155.912	-7.6206	6
155.912	-7.5706	6
155.923	-7.5206	6
155.954	-7.4706	6
155.983	-7.44289	6
156.027	-7.4206	6
156.066	-7.40216	6
> 9 contour
156.066	-7.49281	9
156.149	-7.47453	9
156.227	-7.5206	9
156.233	-7.52787	9
156.262	-7.5706	9
156.269	-7.6206	9
156.246	-7.6706	9
156.233	-7.68347	9
156.152	-7.7206	9
156.149	-7.7218	9
156.145	-7.7206	9
156.066	-7.70062	9
156.023	-7.6706	9
155.987	-7.6206	9
155.987	-7.5706	9
156.023	-7.5206	9
156.066	-7.49281	9
> 12 contour
156.149	-7.51565	12
156.158	-7.5206	12
156.219	-7.5706	12
156.223	-7.6206	12
156.171	-7.6706	12
156.149	-7.68246	12
156.119	-7.6706	12
156.066	-7.63846	12
156.048	-7.6206	12
156.048	-7.5706	12
156.066	-7.55296	12
156.134	-7.5206	12
156.149	-7.51565	12