> 1 contour -Z1
235.842	40.8904	1
235.859	40.9001	1
235.875	40.8916	1
235.885	40.8838	1
235.892	40.8776	1
235.9	40.8671	1
235.892	40.8633	1
235.875	40.857	1
235.866	40.8671	1
235.859	40.8754	1
235.854	40.8671	1
235.856	40.8505	1
235.859	40.8478	1
235.872	40.8338	1
235.875	40.8297	1
235.892	40.8302	1
235.909	40.8215	1
235.918	40.8171	1
235.925	40.8095	1
235.932	40.8005	1
235.942	40.7891	1
235.946	40.7838	1
235.959	40.7683	1
235.96	40.7671	1
235.971	40.7505	1
235.975	40.7405	1
235.979	40.7338	1
235.983	40.7171	1
235.985	40.7005	1
235.985	40.6838	1
235.983	40.6671	1
235.98	40.6505	1
235.977	40.6338	1
235.975	40.6291	1
235.972	40.6171	1
235.965	40.6005	1
235.959	40.5882	1
235.956	40.5838	1
235.953	40.5671	1
235.947	40.5505	1
235.942	40.5386	1
235.925	40.549	1
235.918	40.5338	1
235.909	40.5264	1
235.895	40.5171	1
235.892	40.5135	1
235.875	40.5135	1
235.859	40.5129	1
235.851	40.5171	1
235.842	40.5217	1
235.825	40.5315	1
235.821	40.5338	1
235.809	40.5394	1
235.794	40.5505	1
235.792	40.5512	1
235.775	40.5588	1
235.768	40.5671	1
235.759	40.5766	1
235.745	40.5838	1
235.742	40.5879	1
235.729	40.6005	1
235.725	40.6072	1
235.715	40.6171	1
235.709	40.6218	1
235.692	40.6322	1
235.692	40.6338	1
235.686	40.6505	1
235.692	40.6636	1
235.693	40.6671	1
235.692	40.671	1
235.679	40.6838	1
235.675	40.6907	1
235.67	40.7005	1
235.665	40.7171	1
235.665	40.7338	1
235.667	40.7505	1
235.667	40.7671	1
235.669	40.7838	1
235.675	40.8005	1
235.675	40.8013	1
235.687	40.8171	1
235.692	40.8222	1
235.709	40.8322	1
235.715	40.8338	1
235.725	40.836	1
235.742	40.8367	1
235.759	40.8474	1
235.764	40.8505	1
235.775	40.8618	1
235.79	40.8671	1
235.792	40.8678	1
235.809	40.8695	1
235.823	40.8671	1
235.825	40.867	1
235.826	40.8671	1
235.832	40.8838	1
235.842	40.8904	1
> 2 contour -Z2
235.809	40.8215	2
235.825	40.82	2
235.826	40.8171	2
235.829	40.8005	2
235.842	40.7856	2
235.843	40.7838	2
235.859	40.7676	2
235.86	40.7671	2
235.875	40.7524	2
235.877	40.7505	2
235.886	40.7338	2
235.89	40.7171	2
235.89	40.7005	2
235.887	40.6838	2
235.882	40.6671	2
235.875	40.6512	2
235.875	40.6505	2
235.868	40.6338	2
235.868	40.6171	2
235.875	40.6125	2
235.881	40.6005	2
235.875	40.5941	2
235.859	40.5905	2
235.844	40.6005	2
235.842	40.6103	2
235.839	40.6171	2
235.825	40.6274	2
235.814	40.6338	2
235.809	40.6357	2
235.792	40.6447	2
235.786	40.6505	2
235.775	40.657	2
235.764	40.6671	2
235.759	40.6708	2
235.742	40.6826	2
235.725	40.6836	2
235.725	40.6838	2
235.723	40.7005	2
235.725	40.7126	2
235.726	40.7171	2
235.725	40.7216	2
235.722	40.7338	2
235.724	40.7505	2
235.725	40.7549	2
235.73	40.7671	2
235.742	40.7825	2
235.743	40.7838	2
235.759	40.7948	2
235.773	40.8005	2
235.775	40.8013	2
235.792	40.8125	2
235.802	40.8171	2
235.809	40.8215	2
> 3 contour -Z3
235.792	40.7959	3
235.809	40.7878	3
235.815	40.7838	3
235.825	40.7691	3
235.827	40.7671	3
235.84	40.7505	3
235.842	40.7454	3
235.847	40.7338	3
235.846	40.7171	3
235.842	40.7065	3
235.839	40.7005	3
235.825	40.6867	3
235.818	40.6838	3
235.809	40.6802	3
235.792	40.6744	3
235.775	40.6788	3
235.769	40.6838	3
235.763	40.7005	3
235.759	40.715	3
235.757	40.7171	3
235.751	40.7338	3
235.747	40.7505	3
235.759	40.7636	3
235.762	40.7671	3
235.775	40.7788	3
235.784	40.7838	3
235.792	40.7959	3
> 4 contour -Z4
235.775	40.7691	4
235.779	40.7671	4
235.775	40.7571	4
235.769	40.7505	4
235.775	40.7473	4
235.776	40.7505	4
235.792	40.7633	4
235.805	40.7671	4
235.809	40.7704	4
235.811	40.7671	4
235.822	40.7505	4
235.825	40.7347	4
235.826	40.7338	4
235.83	40.7171	4
235.825	40.711	4
235.809	40.7049	4
235.804	40.7005	4
235.792	40.6902	4
235.775	40.6971	4
235.774	40.7005	4
235.775	40.7095	4
235.777	40.7171	4
235.775	40.7205	4
235.768	40.7338	4
235.759	40.7465	4
235.757	40.7505	4
235.759	40.7527	4
235.773	40.7671	4
235.775	40.7691	4
> 5 contour -Z5
235.792	40.7575	5
235.809	40.7543	5
235.811	40.7505	5
235.814	40.7338	5
235.809	40.7249	5
235.801	40.7171	5
235.792	40.7085	5
235.788	40.7171	5
235.778	40.7338	5
235.783	40.7505	5
235.792	40.7575	5