> 4 contour
237.793	37.9665	4
237.81	37.9621	4
237.827	37.9613	4
237.832	37.96	4
237.843	37.9576	4
237.86	37.9505	4
237.87	37.9433	4
237.877	37.9381	4
237.886	37.9267	4
237.893	37.9172	4
237.898	37.91	4
237.908	37.8933	4
237.91	37.8885	4
237.915	37.8767	4
237.918	37.86	4
237.917	37.8433	4
237.912	37.8267	4
237.91	37.8215	4
237.905	37.81	4
237.897	37.7933	4
237.893	37.7907	4
237.877	37.7849	4
237.862	37.7767	4
237.86	37.7756	4
237.843	37.7643	4
237.828	37.76	4
237.827	37.7595	4
237.826	37.76	4
237.81	37.7637	4
237.794	37.76	4
237.793	37.7587	4
237.777	37.7499	4
237.772	37.76	4
237.76	37.773	4
237.743	37.76	4
237.743	37.7595	4
237.741	37.76	4
237.741	37.7767	4
237.727	37.7813	4
237.71	37.7919	4
237.707	37.7933	4
237.71	37.7947	4
237.723	37.81	4
237.726	37.8267	4
237.711	37.8433	4
237.71	37.86	4
237.71	37.8613	4
237.694	37.8767	4
237.703	37.8933	4
237.703	37.91	4
237.71	37.9243	4
237.712	37.9267	4
237.727	37.941	4
237.731	37.9433	4
237.743	37.9496	4
237.76	37.9543	4
237.777	37.9573	4
237.78	37.96	4
237.793	37.9665	4
> 8 contour
237.777	37.9138	8
237.793	37.91	8
237.793	37.9098	8
237.799	37.91	8
237.81	37.9105	8
237.813	37.91	8
237.827	37.9073	8
237.843	37.8999	8
237.852	37.8933	8
237.86	37.8861	8
237.867	37.8767	8
237.875	37.86	8
237.877	37.8577	8
237.883	37.8433	8
237.877	37.8317	8
237.872	37.8267	8
237.86	37.8109	8
237.843	37.8101	8
237.843	37.81	8
237.827	37.797	8
237.816	37.7933	8
237.81	37.7923	8
237.793	37.7926	8
237.777	37.7899	8
237.771	37.7933	8
237.76	37.7978	8
237.743	37.81	8
237.743	37.81	8
237.736	37.8267	8
237.727	37.8422	8
237.726	37.8433	8
237.72	37.86	8
237.722	37.8767	8
237.727	37.8864	8
237.737	37.8933	8
237.743	37.8979	8
237.747	37.8933	8
237.753	37.8767	8
237.76	37.8725	8
237.766	37.8767	8
237.771	37.8933	8
237.772	37.91	8
237.777	37.9138	8
> 12 contour
237.743	37.8748	12
237.76	37.8652	12
237.777	37.8764	12
237.793	37.8746	12
237.81	37.872	12
237.825	37.86	12
237.827	37.858	12
237.834	37.86	12
237.843	37.8638	12
237.847	37.86	12
237.856	37.8433	12
237.843	37.8267	12
237.827	37.8306	12
237.816	37.8267	12
237.81	37.8199	12
237.793	37.8168	12
237.777	37.8161	12
237.76	37.815	12
237.746	37.8267	12
237.743	37.8289	12
237.735	37.8433	12
237.729	37.86	12
237.743	37.8748	12
> 16 contour
237.743	37.8665	16
237.756	37.86	16
237.76	37.8559	16
237.763	37.86	16
237.777	37.8687	16
237.793	37.8641	16
237.805	37.86	16
237.81	37.8541	16
237.818	37.8433	16
237.81	37.8394	16
237.793	37.8288	16
237.788	37.8267	16
237.777	37.8233	16
237.765	37.8267	16
237.76	37.8297	16
237.743	37.8432	16
237.743	37.8433	16
237.737	37.86	16
237.743	37.8665	16
> 20 contour
237.777	37.861	20
237.78	37.86	20
237.793	37.8505	20
237.8	37.8433	20
237.793	37.8388	20
237.777	37.8297	20
237.761	37.8433	20
237.775	37.86	20
237.777	37.861	20