> 3 contour
68.873	31.2048	3
68.923	31.2084	3
68.9386	31.196	3
68.9511	31.146	3
68.923	31.1127	3
68.873	31.1183	3
68.8523	31.146	3
68.8632	31.196	3
68.873	31.2048	3
> 3 contour
69.423	31.2241	3
69.4566	31.196	3
69.423	31.1521	3
69.4186	31.146	3
69.423	31.1275	3
69.473	31.1254	3
69.523	31.1421	3
69.5283	31.146	3
69.573	31.1821	3
69.5916	31.196	3
69.623	31.2216	3
69.6528	31.196	3
69.623	31.1563	3
69.6158	31.146	3
69.623	31.1136	3
69.673	31.1044	3
69.7207	31.096	3
69.723	31.0956	3
69.773	31.0834	3
69.823	31.0713	3
69.873	31.089	3
69.9214	31.046	3
69.923	31.038	3
69.973	31.0171	3
70.0224	30.996	3
70.023	30.9958	3
70.073	30.9705	3
70.1195	30.946	3
70.123	30.9441	3
70.173	30.9129	3
70.1992	30.896	3
70.223	30.8803	3
70.2673	30.846	3
70.273	30.8414	3
70.323	30.801	3
70.3285	30.796	3
70.373	30.7533	3
70.3806	30.746	3
70.423	30.7018	3
70.4281	30.696	3
70.4686	30.646	3
70.473	30.64	3
70.5059	30.596	3
70.523	30.5935	3
70.5267	30.596	3
70.5343	30.646	3
70.5424	30.696	3
70.523	30.7144	3
70.4907	30.746	3
70.4998	30.796	3
70.473	30.8228	3
70.4498	30.846	3
70.473	30.8635	3
70.5192	30.896	3
70.523	30.9149	3
70.5423	30.896	3
70.573	30.8641	3
70.5905	30.846	3
70.623	30.8102	3
70.635	30.796	3
70.673	30.7474	3
70.6741	30.746	3
70.711	30.696	3
70.723	30.6779	3
70.7433	30.646	3
70.7714	30.596	3
70.773	30.5929	3
70.7985	30.546	3
70.8217	30.496	3
70.823	30.4928	3
70.8424	30.446	3
70.8599	30.396	3
70.873	30.3509	3
70.8745	30.346	3
70.8881	30.296	3
70.8991	30.246	3
70.9073	30.196	3
70.9133	30.146	3
70.9167	30.096	3
70.9184	30.046	3
70.9178	29.996	3
70.915	29.946	3
70.9098	29.896	3
70.9023	29.846	3
70.8927	29.796	3
70.8805	29.746	3
70.873	29.7207	3
70.8662	29.696	3
70.8499	29.646	3
70.8306	29.596	3
70.823	29.5785	3
70.8088	29.546	3
70.7839	29.496	3
70.773	29.4765	3
70.7567	29.446	3
70.7264	29.396	3
70.723	29.3909	3
70.6921	29.346	3
70.673	29.3208	3
70.6547	29.296	3
70.623	29.2564	3
70.6141	29.246	3
70.573	29.2017	3
70.5678	29.196	3
70.523	29.1503	3
70.5183	29.146	3
70.473	29.1061	3
70.4615	29.096	3
70.423	29.0635	3
70.3993	29.046	3
70.373	29.0268	3
70.3302	28.996	3
70.323	28.991	3
70.273	28.9601	3
70.2497	28.946	3
70.223	28.9298	3
70.173	28.9043	3
70.1567	28.896	3
70.123	28.8787	3
70.073	28.8576	3
70.0454	28.846	3
70.023	28.8363	3
69.973	28.819	3
69.923	28.8017	3
69.9015	28.796	3
69.873	28.788	3
69.823	28.7734	3
69.773	28.7631	3
69.723	28.7867	3
69.7116	28.796	3
69.673	28.8249	3
69.623	28.8232	3
69.573	28.8223	3
69.523	28.8213	3
69.4905	28.796	3
69.473	28.7813	3
69.4552	28.796	3
69.423	28.8207	3
69.3927	28.846	3
69.423	28.8855	3
69.473	28.8849	3
69.523	28.8844	3
69.573	28.8827	3
69.623	28.8812	3
69.673	28.8785	3
69.723	28.876	3
69.7387	28.896	3
69.723	28.9073	3
69.6745	28.946	3
69.673	28.9519	3
69.6393	28.946	3
69.623	28.9429	3
69.573	28.9377	3
69.523	28.932	3
69.473	28.9305	3
69.423	28.9018	3
69.373	28.9305	3
69.323	28.9024	3
69.273	28.9034	3
69.223	28.9429	3
69.173	28.9058	3
69.1261	28.946	3
69.123	28.9604	3
69.073	28.9732	3
69.023	28.986	3
68.9942	28.996	3
68.973	28.9972	3
68.923	28.9999	3
68.873	29.0034	3
68.823	29.0068	3
68.773	29.011	3
68.7351	29.046	3
68.723	29.0568	3
68.673	29.0617	3
68.623	29.0665	3
68.5921	29.096	3
68.584	29.146	3
68.6027	29.196	3
68.573	29.2196	3
68.5404	29.246	3
68.523	29.2609	3
68.4865	29.296	3
68.473	29.2977	3
68.4248	29.346	3
68.423	29.3619	3
68.3944	29.396	3
68.373	29.4243	3
68.3562	29.446	3
68.323	29.4944	3
68.322	29.496	3
68.2922	29.546	3
68.273	29.5834	3
68.2662	29.596	3
68.2422	29.646	3
68.223	29.6493	3
68.173	29.6582	3
68.1558	29.646	3
68.1505	29.596	3
68.173	29.5762	3
68.223	29.5871	3
68.2684	29.546	3
68.2618	29.496	3
68.2546	29.446	3
68.223	29.4221	3
68.1855	29.396	3
68.1773	29.346	3
68.173	29.3208	3
68.1539	29.346	3
68.1639	29.396	3
68.123	29.4397	3
68.0893	29.446	3
68.073	29.4765	3
68.0621	29.496	3
68.0372	29.546	3
68.023	29.5785	3
68.0154	29.596	3
68.023	29.5977	3
68.073	29.6091	3
68.1	29.646	3
68.123	29.6748	3
68.1386	29.696	3
68.123	29.714	3
68.0943	29.746	3
68.123	29.7816	3
68.173	29.792	3
68.1913	29.796	3
68.173	29.7995	3
68.132	29.846	3
68.1719	29.896	3
68.1657	29.946	3
68.1622	29.996	3
68.1616	30.046	3
68.1639	30.096	3
68.1683	30.146	3
68.173	30.1768	3
68.1757	30.196	3
68.1852	30.246	3
68.173	30.2486	3
68.1347	30.296	3
68.173	30.3387	3
68.2135	30.346	3
68.223	30.3717	3
68.2243	30.396	3
68.2275	30.446	3
68.273	30.4949	3
68.274	30.496	3
68.3074	30.546	3
68.323	30.5704	3
68.3254	30.596	3
68.373	30.6454	3
68.3774	30.646	3
68.373	30.6469	3
68.3358	30.696	3
68.323	30.7144	3
68.273	30.7247	3
68.223	30.7349	3
68.2144	30.746	3
68.211	30.796	3
68.223	30.8102	3
68.2555	30.846	3
68.273	30.8487	3
68.2765	30.846	3
68.323	30.8136	3
68.373	30.8207	3
68.423	30.8276	3
68.473	30.8338	3
68.523	30.84	3
68.573	30.8454	3
68.5737	30.846	3
68.573	30.847	3
68.5367	30.896	3
68.573	30.9309	3
68.6196	30.896	3
68.623	30.8937	3
68.6468	30.896	3
68.673	30.9129	3
68.723	30.9441	3
68.7266	30.946	3
68.773	30.9705	3
68.823	30.9957	3
68.8237	30.996	3
68.873	31.0171	3
68.923	31.038	3
68.9478	31.046	3
68.973	31.0544	3
69.023	31.0713	3
69.073	31.0938	3
69.0757	31.096	3
69.123	31.1373	3
69.173	31.1387	3
69.223	31.1403	3
69.2302	31.146	3
69.273	31.1821	3
69.323	31.1831	3
69.373	31.1833	3
69.3894	31.196	3
69.423	31.2241	3
> 3 contour
68.673	31.1479	3
68.723	31.1528	3
68.773	31.157	3
68.7871	31.146	3
68.773	31.13	3
68.7439	31.096	3
68.723	31.0724	3
68.673	31.0797	3
68.6608	31.096	3
68.6535	31.146	3
68.673	31.1479	3
> 3 contour
68.423	30.9551	3
68.473	30.9613	3
68.4932	30.946	3
68.473	30.925	3
68.4453	30.896	3
68.423	30.8731	3
68.373	30.8827	3
68.3629	30.896	3
68.373	30.906	3
68.4138	30.946	3
68.423	30.9551	3
> 3 contour
68.273	29.2544	3
68.323	29.2648	3
68.342	29.246	3
68.373	29.2149	3
68.3919	29.196	3
68.3815	29.146	3
68.373	29.1395	3
68.3664	29.146	3
68.323	29.1889	3
68.2782	29.196	3
68.273	29.2017	3
68.2319	29.246	3
68.273	29.2544	3
> 3 contour
69.073	28.8723	3
69.123	28.876	3
69.173	28.8785	3
69.1993	28.846	3
69.223	28.8151	3
69.273	28.8165	3
69.323	28.8182	3
69.373	28.8186	3
69.3908	28.796	3
69.3779	28.746	3
69.373	28.727	3
69.323	28.7281	3
69.273	28.733	3
69.223	28.7373	3
69.173	28.7453	3
69.1683	28.746	3
69.123	28.7523	3
69.073	28.7631	3
69.023	28.7734	3
68.973	28.788	3
68.9445	28.796	3
68.973	28.7984	3
69.023	28.803	3
69.0532	28.846	3
69.073	28.8723	3
> 6 contour
69.473	30.8149	6
69.523	30.8143	6
69.5451	30.796	6
69.5603	30.746	6
69.573	30.701	6
69.6007	30.696	6
69.623	30.6923	6
69.673	30.6923	6
69.723	30.6893	6
69.773	30.6851	6
69.8171	30.646	6
69.823	30.6202	6
69.8312	30.646	6
69.8473	30.696	6
69.873	30.7143	6
69.8931	30.696	6
69.923	30.6696	6
69.9481	30.646	6
69.923	30.6083	6
69.873	30.5979	6
69.8642	30.596	6
69.873	30.5908	6
69.923	30.5592	6
69.9402	30.546	6
69.973	30.5191	6
69.9995	30.496	6
70.023	30.4736	6
70.0485	30.446	6
70.073	30.4154	6
70.0884	30.396	6
70.1215	30.346	6
70.123	30.3433	6
70.1487	30.296	6
70.1698	30.246	6
70.173	30.2361	6
70.1869	30.196	6
70.1993	30.146	6
70.2068	30.096	6
70.2104	30.046	6
70.2096	29.996	6
70.2047	29.946	6
70.1952	29.896	6
70.223	29.8882	6
70.2335	29.896	6
70.2301	29.946	6
70.273	29.9785	6
70.323	29.9642	6
70.3674	29.996	6
70.373	30.0002	6
70.3874	29.996	6
70.3831	29.946	6
70.3751	29.896	6
70.373	29.8875	6
70.3722	29.896	6
70.323	29.9288	6
70.297	29.896	6
70.323	29.8588	6
70.3639	29.846	6
70.3498	29.796	6
70.3312	29.746	6
70.323	29.7278	6
70.3085	29.696	6
70.2807	29.646	6
70.273	29.634	6
70.2491	29.596	6
70.223	29.5602	6
70.2118	29.546	6
70.173	29.5019	6
70.1677	29.496	6
70.123	29.4507	6
70.073	29.4782	6
70.023	29.4697	6
69.985	29.496	6
69.973	29.5394	6
69.923	29.4988	6
69.9189	29.496	6
69.873	29.4664	6
69.8383	29.446	6
69.823	29.4372	6
69.773	29.4143	6
69.7686	29.396	6
69.7562	29.346	6
69.7427	29.296	6
69.723	29.2787	6
69.673	29.2756	6
69.6359	29.246	6
69.623	29.235	6
69.573	29.2331	6
69.523	29.2312	6
69.473	29.2306	6
69.423	29.23	6
69.4031	29.246	6
69.423	29.2745	6
69.473	29.2733	6
69.523	29.2721	6
69.5395	29.296	6
69.573	29.3417	6
69.576	29.346	6
69.573	29.3551	6
69.523	29.3472	6
69.5019	29.346	6
69.473	29.3442	6
69.423	29.3414	6
69.4088	29.296	6
69.373	29.2681	6
69.3382	29.296	6
69.323	29.3071	6
69.3065	29.296	6
69.2898	29.246	6
69.273	29.1982	6
69.2575	29.246	6
69.2423	29.296	6
69.228	29.346	6
69.223	29.3636	6
69.173	29.378	6
69.123	29.3558	6
69.0774	29.396	6
69.073	29.3997	6
69.0671	29.396	6
69.023	29.3644	6
68.973	29.3701	6
68.9446	29.396	6
68.9335	29.446	6
68.9271	29.496	6
68.923	29.4988	6
68.873	29.5394	6
68.8653	29.546	6
68.823	29.5852	6
68.8128	29.596	6
68.773	29.6437	6
68.723	29.6117	6
68.6902	29.646	6
68.723	29.6926	6
68.735	29.696	6
68.723	29.7163	6
68.7061	29.746	6
68.6832	29.796	6
68.673	29.8251	6
68.6652	29.846	6
68.6507	29.896	6
68.623	29.9027	6
68.5866	29.946	6
68.573	29.9637	6
68.523	29.9773	6
68.5075	29.996	6
68.523	30.0152	6
68.573	30.0291	6
68.623	30.0426	6
68.6255	30.046	6
68.6262	30.096	6
68.623	30.1005	6
68.573	30.1146	6
68.5482	30.146	6
68.5506	30.196	6
68.573	30.2217	6
68.6098	30.196	6
68.623	30.1875	6
68.659	30.196	6
68.673	30.2363	6
68.6762	30.246	6
68.6973	30.296	6
68.673	30.3031	6
68.623	30.3173	6
68.573	30.3325	6
68.5629	30.346	6
68.5536	30.396	6
68.573	30.4005	6
68.623	30.4123	6
68.673	30.4228	6
68.723	30.4329	6
68.773	30.4417	6
68.7771	30.446	6
68.823	30.4925	6
68.8465	30.496	6
68.873	30.5191	6
68.9058	30.546	6
68.923	30.5592	6
68.973	30.5908	6
68.9818	30.596	6
69.023	30.6202	6
69.073	30.6422	6
69.0821	30.646	6
69.073	30.6476	6
69.041	30.696	6
69.073	30.7243	6
69.123	30.7285	6
69.1448	30.746	6
69.173	30.7699	6
69.2055	30.746	6
69.173	30.7038	6
69.1673	30.696	6
69.173	30.6785	6
69.223	30.6952	6
69.2241	30.696	6
69.273	30.7364	6
69.323	30.7381	6
69.373	30.7125	6
69.3831	30.746	6
69.423	30.7778	6
69.4489	30.796	6
69.473	30.8149	6
> 9 contour
69.423	30.6514	9
69.425	30.646	9
69.4441	30.596	9
69.4618	30.546	9
69.473	30.5381	9
69.523	30.537	9
69.5372	30.546	9
69.573	30.5719	9
69.6042	30.546	9
69.623	30.5315	9
69.6641	30.496	9
69.673	30.4631	9
69.6852	30.496	9
69.723	30.5221	9
69.7519	30.496	9
69.723	30.4492	9
69.7086	30.446	9
69.723	30.4389	9
69.773	30.407	9
69.7881	30.396	9
69.823	30.3678	9
69.873	30.3824	9
69.9091	30.346	9
69.8894	30.296	9
69.9222	30.246	9
69.923	30.2444	9
69.973	30.2343	9
70.0071	30.196	9
70.0107	30.146	9
69.9753	30.096	9
69.981	30.046	9
69.9797	29.996	9
69.973	29.9496	9
69.9725	29.946	9
69.9599	29.896	9
69.9401	29.846	9
69.923	29.8141	9
69.9131	29.796	9
69.8768	29.746	9
69.873	29.7416	9
69.8303	29.696	9
69.823	29.6893	9
69.773	29.65	9
69.7672	29.646	9
69.773	29.6444	9
69.8034	29.596	9
69.773	29.5679	9
69.7308	29.596	9
69.723	29.6175	9
69.678	29.596	9
69.673	29.5937	9
69.623	29.5731	9
69.573	29.5596	9
69.5688	29.546	9
69.573	29.5384	9
69.5997	29.496	9
69.573	29.4739	9
69.536	29.446	9
69.523	29.4354	9
69.509	29.446	9
69.49	29.496	9
69.473	29.5443	9
69.423	29.5411	9
69.373	29.5443	9
69.323	29.5084	9
69.273	29.511	9
69.2493	29.496	9
69.223	29.477	9
69.1731	29.446	9
69.173	29.4459	9
69.1729	29.446	9
69.1563	29.496	9
69.1415	29.546	9
69.168	29.596	9
69.123	29.6005	9
69.073	29.6068	9
69.0542	29.596	9
69.073	29.5736	9
69.0964	29.546	9
69.073	29.5301	9
69.023	29.5372	9
69.0137	29.546	9
68.973	29.5838	9
68.9603	29.596	9
68.973	29.6156	9
69.023	29.6308	9
69.0314	29.646	9
69.023	29.6893	9
69.0158	29.696	9
68.973	29.7035	9
68.9315	29.746	9
68.9249	29.796	9
68.923	29.8141	9
68.906	29.846	9
68.8861	29.896	9
68.8735	29.946	9
68.873	29.9496	9
68.8663	29.996	9
68.823	30.0088	9
68.8031	29.996	9
68.773	29.9753	9
68.7268	29.946	9
68.723	29.9434	9
68.7148	29.946	9
68.7092	29.996	9
68.7084	30.046	9
68.7125	30.096	9
68.723	30.0994	9
68.7279	30.096	9
68.773	30.0671	9
68.7945	30.096	9
68.823	30.1301	9
68.8353	30.146	9
68.873	30.1896	9
68.8987	30.196	9
68.923	30.2444	9
68.9238	30.246	9
68.9566	30.296	9
68.973	30.3157	9
69.0002	30.346	9
68.973	30.3545	9
68.923	30.3701	9
68.873	30.3869	9
68.8669	30.396	9
68.873	30.4257	9
68.8926	30.446	9
68.923	30.474	9
68.9515	30.496	9
68.973	30.4998	9
69.023	30.5086	9
69.0414	30.496	9
69.023	30.475	9
68.997	30.446	9
69.0139	30.396	9
69.023	30.3678	9
69.0579	30.396	9
69.0391	30.446	9
69.073	30.4775	9
69.123	30.4838	9
69.173	30.4887	9
69.1819	30.496	9
69.223	30.5315	9
69.273	30.5345	9
69.2882	30.546	9
69.323	30.5745	9
69.353	30.596	9
69.373	30.6118	9
69.421	30.646	9
69.423	30.6514	9
> 12 contour
69.423	30.5126	12
69.473	30.5003	12
69.523	30.4986	12
69.5262	30.496	12
69.523	30.4908	12
69.473	30.4874	12
69.423	30.4855	12
69.4163	30.496	12
69.423	30.5126	12
> 12 contour
69.273	30.4246	12
69.3138	30.396	12
69.323	30.3904	12
69.373	30.3923	12
69.3784	30.396	12
69.423	30.4304	12
69.473	30.4297	12
69.5153	30.396	12
69.523	30.3904	12
69.5322	30.396	12
69.573	30.4246	12
69.6067	30.396	12
69.6024	30.346	12
69.623	30.3368	12
69.673	30.3084	12
69.6897	30.296	12
69.723	30.2666	12
69.7434	30.246	12
69.773	30.2084	12
69.7816	30.196	12
69.8066	30.146	12
69.8227	30.096	12
69.823	30.0853	12
69.829	30.046	12
69.8632	29.996	12
69.823	29.9474	12
69.818	29.946	12
69.8183	29.896	12
69.773	29.8462	12
69.7728	29.846	12
69.7298	29.796	12
69.723	29.7895	12
69.7146	29.746	12
69.673	29.7069	12
69.623	29.701	12
69.573	29.698	12
69.5658	29.696	12
69.523	29.6838	12
69.473	29.6751	12
69.423	29.6524	12
69.373	29.653	12
69.323	29.6549	12
69.3084	29.646	12
69.273	29.6211	12
69.2436	29.646	12
69.223	29.6627	12
69.1856	29.696	12
69.1765	29.746	12
69.173	29.7482	12
69.123	29.754	12
69.073	29.763	12
69.023	29.7737	12
68.973	29.7462	12
68.9636	29.796	12
68.9562	29.846	12
68.973	29.8703	12
69.023	29.888	12
69.0455	29.896	12
69.0279	29.946	12
69.023	29.9735	12
69.0186	29.996	12
68.973	30.0096	12
68.923	30.0264	12
68.873	30.0443	12
68.8683	30.046	12
68.873	30.0874	12
68.8739	30.096	12
68.923	30.1126	12
68.973	30.1281	12
69.023	30.1417	12
69.0393	30.146	12
69.0644	30.196	12
69.023	30.2105	12
68.9991	30.246	12
69.023	30.271	12
69.047	30.296	12
69.073	30.3219	12
69.1136	30.296	12
69.123	30.2907	12
69.1284	30.296	12
69.173	30.3382	12
69.223	30.344	12
69.2253	30.346	12
69.2393	30.396	12
69.273	30.4246	12
> 12 contour
69.873	30.1732	12
69.923	30.1583	12
69.9615	30.146	12
69.937	30.096	12
69.9385	30.046	12
69.9382	29.996	12
69.923	29.9774	12
69.8949	29.996	12
69.8943	30.046	12
69.8974	30.096	12
69.873	30.1132	12
69.8304	30.146	12
69.873	30.1732	12
> 15 contour
69.423	30.4004	15
69.473	30.3996	15
69.4775	30.396	15
69.473	30.3887	15
69.4489	30.346	15
69.4666	30.296	15
69.473	30.2756	15
69.523	30.2608	15
69.5352	30.296	15
69.523	30.3136	15
69.4998	30.346	15
69.523	30.3626	15
69.543	30.346	15
69.573	30.3224	15
69.6027	30.296	15
69.573	30.2477	15
69.5628	30.246	15
69.573	30.2419	15
69.623	30.2045	15
69.6331	30.196	15
69.673	30.1896	15
69.7137	30.146	15
69.6996	30.096	15
69.7095	30.046	15
69.707	29.996	15
69.6943	29.946	15
69.673	29.9041	15
69.6676	29.896	15
69.623	29.8505	15
69.6223	29.846	15
69.573	29.7995	15
69.5279	29.796	15
69.5547	29.746	15
69.523	29.7193	15
69.473	29.7165	15
69.4436	29.696	15
69.423	29.6802	15
69.373	29.6809	15
69.323	29.6835	15
69.273	29.6691	15
69.223	29.6939	15
69.2206	29.696	15
69.223	29.7	15
69.273	29.712	15
69.2913	29.746	15
69.3181	29.796	15
69.273	29.813	15
69.2277	29.846	15
69.223	29.8467	15
69.173	29.8547	15
69.1573	29.846	15
69.1404	29.796	15
69.123	29.785	15
69.0761	29.796	15
69.073	29.7996	15
69.0391	29.846	15
69.073	29.8594	15
69.123	29.8771	15
69.1339	29.896	15
69.1515	29.946	15
69.1388	29.996	15
69.1364	30.046	15
69.123	30.0504	15
69.1168	30.046	15
69.1158	29.996	15
69.073	29.967	15
69.0491	29.996	15
69.023	30.0324	15
68.9855	30.046	15
68.9924	30.096	15
69.023	30.1062	15
69.073	30.1221	15
69.093	30.146	15
69.123	30.1784	15
69.173	30.1522	15
69.2128	30.196	15
69.1889	30.246	15
69.173	30.275	15
69.1599	30.296	15
69.173	30.3084	15
69.223	30.3161	15
69.2532	30.296	15
69.2716	30.246	15
69.273	30.2419	15
69.2832	30.246	15
69.323	30.2608	15
69.373	30.2756	15
69.3794	30.296	15
69.373	30.3071	15
69.323	30.3136	15
69.273	30.322	15
69.2585	30.346	15
69.273	30.3866	15
69.323	30.3626	15
69.373	30.3653	15
69.4173	30.396	15
69.423	30.4004	15
> 18 contour
69.423	30.2313	18
69.473	30.2312	18
69.5132	30.196	18
69.5221	30.146	18
69.523	30.1453	18
69.573	30.1083	18
69.5812	30.096	18
69.5968	30.046	18
69.592	29.996	18
69.573	29.9472	18
69.5721	29.946	18
69.573	29.9459	18
69.6074	29.896	18
69.5978	29.846	18
69.573	29.8226	18
69.54	29.846	18
69.523	29.8571	18
69.5103	29.846	18
69.4961	29.796	18
69.523	29.7474	18
69.5239	29.746	18
69.523	29.7453	18
69.473	29.7416	18
69.423	29.7301	18
69.373	29.7322	18
69.323	29.7436	18
69.3221	29.746	18
69.323	29.7474	18
69.373	29.7547	18
69.3976	29.796	18
69.423	29.8324	18
69.4317	29.846	18
69.423	29.8816	18
69.373	29.8802	18
69.3433	29.896	18
69.323	29.9112	18
69.2739	29.946	18
69.273	29.9471	18
69.2539	29.996	18
69.2492	30.046	18
69.2648	30.096	18
69.273	30.1083	18
69.2782	30.146	18
69.323	30.1873	18
69.373	30.1734	18
69.3784	30.196	18
69.423	30.2313	18
> 21 contour
69.423	30.2103	21
69.473	30.2103	21
69.4893	30.196	21
69.473	30.1722	21
69.4543	30.146	21
69.473	30.1311	21
69.509	30.096	21
69.473	30.0507	21
69.4683	30.046	21
69.423	30.0037	21
69.373	30.0016	21
69.3333	30.046	21
69.373	30.0881	21
69.423	30.086	21
69.4332	30.096	21
69.423	30.1093	21
69.3917	30.146	21
69.405	30.196	21
69.423	30.2103	21
> 21 contour
69.523	29.9218	21
69.573	29.9134	21
69.585	29.896	21
69.5733	29.846	21
69.573	29.8457	21
69.5726	29.846	21
69.523	29.8785	21
69.4985	29.896	21
69.523	29.9218	21