> 10 contour
180.52	52.1628	10
180.603	52.1977	10
180.686	52.2366	10
180.77	52.2334	10
180.853	52.2333	10
180.936	52.2277	10
181.02	52.2161	10
181.103	52.1926	10
181.184	52.1567	10
181.186	52.1557	10
181.27	52.0824	10
181.28	52.0734	10
181.338	51.99	10
181.353	51.9095	10
181.354	51.9067	10
181.353	51.9042	10
181.336	51.8234	10
181.276	51.74	10
181.27	51.7343	10
181.186	51.659	10
181.181	51.6567	10
181.103	51.622	10
181.02	51.5993	10
180.936	51.5875	10
180.853	51.5819	10
180.77	51.5824	10
180.686	51.5788	10
180.603	51.6157	10
180.52	51.6525	10
180.512	51.6567	10
180.436	51.7029	10
180.393	51.74	10
180.353	51.7989	10
180.337	51.8234	10
180.316	51.9067	10
180.335	51.99	10
180.353	52.018	10
180.389	52.0734	10
180.436	52.1139	10
180.509	52.1567	10
180.52	52.1628	10
> 20 contour
180.686	52.1004	20
180.77	52.118	20
180.853	52.1183	20
180.936	52.1019	20
181.007	52.0734	20
181.02	52.0689	20
181.103	52.0031	20
181.116	51.99	20
181.148	51.9067	20
181.114	51.8234	20
181.103	51.8127	20
181.02	51.7464	20
181.002	51.74	20
180.936	51.7138	20
180.853	51.6977	20
180.77	51.6987	20
180.686	51.7155	20
180.651	51.74	20
180.603	51.7753	20
180.551	51.8234	20
180.523	51.9067	20
180.549	51.99	20
180.603	52.0403	20
180.647	52.0734	20
180.686	52.1004	20
> 30 contour
180.686	52.0196	30
180.77	52.0572	30
180.853	52.0621	30
180.936	52.0451	30
181.019	51.99	30
181.02	51.9886	30
181.064	51.9067	30
181.02	51.8279	30
181.017	51.8234	30
180.936	51.7701	30
180.853	51.7528	30
180.77	51.7579	30
180.686	51.7958	30
180.653	51.8234	30
180.605	51.9067	30
180.65	51.99	30
180.686	52.0196	30
> 40 contour
180.77	52.0169	40
180.853	52.031	40
180.936	52.003	40
180.956	51.99	40
181.01	51.9067	40
180.952	51.8234	40
180.936	51.8128	40
180.853	51.7843	40
180.77	51.7985	40
180.728	51.8234	40
180.686	51.8937	40
180.678	51.9067	40
180.686	51.9202	40
180.725	51.99	40
180.77	52.0169	40
> 50 contour
180.853	51.9999	50
180.879	51.99	50
180.936	51.96	50
180.977	51.9067	50
180.936	51.8551	50
180.873	51.8234	50
180.853	51.8159	50
180.821	51.8234	50
180.77	51.8423	50
180.72	51.9067	50
180.77	51.9733	50
180.812	51.99	50
180.853	51.9999	50
> 60 contour
180.77	51.9229	60
180.853	51.9679	60
180.936	51.9165	60
180.944	51.9067	60
180.936	51.8972	60
180.853	51.8474	60
180.77	51.891	60
180.757	51.9067	60
180.77	51.9229	60