> 3 contour
120.888	21.977	3
120.904	21.9765	3
120.971	21.9689	3
121.054	21.9413	3
121.081	21.9265	3
121.138	21.8937	3
121.161	21.8765	3
121.209	21.8265	3
121.221	21.8135	3
121.255	21.7765	3
121.279	21.7265	3
121.303	21.6765	3
121.304	21.6634	3
121.309	21.6265	3
121.319	21.5765	3
121.306	21.5265	3
121.304	21.5183	3
121.297	21.4765	3
121.268	21.4265	3
121.239	21.3765	3
121.221	21.3586	3
121.189	21.3265	3
121.138	21.2802	3
121.132	21.2765	3
121.054	21.2322	3
121.038	21.2265	3
120.971	21.2034	3
120.888	21.1927	3
120.804	21.198	3
120.721	21.2181	3
120.702	21.2265	3
120.638	21.2573	3
120.609	21.2765	3
120.555	21.3265	3
120.554	21.3277	3
120.506	21.3765	3
120.483	21.4265	3
120.471	21.4485	3
120.453	21.4765	3
120.449	21.5265	3
120.43	21.5765	3
120.445	21.6265	3
120.446	21.6765	3
120.471	21.7195	3
120.474	21.7265	3
120.492	21.7765	3
120.536	21.8265	3
120.554	21.8476	3
120.582	21.8765	3
120.638	21.9154	3
120.721	21.8926	3
120.804	21.8976	3
120.866	21.9265	3
120.854	21.9765	3
120.888	21.977	3
> 6 contour
120.804	21.7477	6
120.888	21.7567	6
120.971	21.7313	6
120.978	21.7265	6
121.041	21.6765	6
121.051	21.6265	6
121.054	21.6204	6
121.095	21.5765	6
121.054	21.5374	6
121.046	21.5265	6
121.022	21.4765	6
120.971	21.4396	6
120.917	21.4265	6
120.888	21.4178	6
120.817	21.4265	6
120.804	21.4276	6
120.721	21.4734	6
120.717	21.4765	6
120.684	21.5265	6
120.654	21.5765	6
120.676	21.6265	6
120.696	21.6765	6
120.721	21.6996	6
120.764	21.7265	6
120.804	21.7477	6
> 9 contour
120.888	21.6944	9
120.93	21.6765	9
120.971	21.6476	9
120.988	21.6265	9
121.024	21.5765	9
120.971	21.5269	9
120.97	21.5265	9
120.888	21.4818	9
120.804	21.4997	9
120.77	21.5265	9
120.733	21.5765	9
120.753	21.6265	9
120.804	21.6726	9
120.818	21.6765	9
120.888	21.6944	9
> 12 contour
120.888	21.6595	12
120.939	21.6265	12
120.971	21.5836	12
120.977	21.5765	12
120.971	21.5712	12
120.9	21.5265	12
120.888	21.5196	12
120.866	21.5265	12
120.804	21.5562	12
120.786	21.5765	12
120.804	21.6162	12
120.81	21.6265	12
120.888	21.6595	12