> 2 contour
40.017	39.8933	2
40.0327	39.881	2
40.067	39.8563	2
40.0947	39.831	2
40.1013	39.781	2
40.117	39.7612	2
40.1409	39.731	2
40.161	39.681	2
40.1653	39.631	2
40.1582	39.581	2
40.134	39.531	2
40.117	39.511	2
40.091	39.481	2
40.067	39.4603	2
40.017	39.4363	2
40.0058	39.431	2
40.017	39.4156	2
40.0265	39.381	2
40.017	39.3736	2
40.0017	39.381	2
39.967	39.4108	2
39.917	39.4058	2
39.867	39.3947	2
39.817	39.4058	2
39.767	39.4109	2
39.7282	39.431	2
39.717	39.4363	2
39.667	39.4604	2
39.6431	39.481	2
39.617	39.511	2
39.6	39.531	2
39.5758	39.581	2
39.5687	39.631	2
39.567	39.6323	2
39.517	39.6651	2
39.5063	39.681	2
39.5072	39.731	2
39.517	39.7352	2
39.5286	39.731	2
39.567	39.7194	2
39.5931	39.731	2
39.617	39.7611	2
39.6328	39.781	2
39.667	39.8117	2
39.7073	39.831	2
39.717	39.8357	2
39.767	39.8615	2
39.817	39.8663	2
39.867	39.8759	2
39.917	39.8663	2
39.967	39.8616	2
39.991	39.881	2
40.017	39.8933	2
> 4 contour
39.767	39.7387	4
39.817	39.7596	4
39.867	39.7726	4
39.917	39.7596	4
39.967	39.739	4
39.9766	39.731	4
40.0145	39.681	4
40.017	39.6628	4
40.0239	39.631	4
40.017	39.6108	4
40.0097	39.581	4
39.967	39.5346	4
39.9595	39.531	4
39.917	39.513	4
39.867	39.4969	4
39.817	39.513	4
39.775	39.531	4
39.767	39.5348	4
39.7243	39.581	4
39.717	39.5872	4
39.667	39.6256	4
39.6632	39.631	4
39.667	39.6367	4
39.717	39.6784	4
39.7195	39.681	4
39.7579	39.731	4
39.767	39.7387	4
> 6 contour
39.817	39.7128	6
39.867	39.7267	6
39.917	39.7128	6
39.9571	39.681	6
39.967	39.6477	6
39.9723	39.631	6
39.967	39.6198	6
39.9457	39.581	6
39.917	39.5604	6
39.867	39.5418	6
39.817	39.5604	6
39.7883	39.581	6
39.767	39.5937	6
39.7262	39.631	6
39.767	39.6728	6
39.7769	39.681	6
39.817	39.7128	6
> 8 contour
39.867	39.6983	8
39.9097	39.681	8
39.917	39.6755	8
39.9413	39.631	8
39.917	39.5993	8
39.8873	39.581	8
39.867	39.5712	8
39.8467	39.581	8
39.817	39.5993	8
39.767	39.6269	8
39.7626	39.631	8
39.767	39.6356	8
39.817	39.6755	8
39.8243	39.681	8
39.867	39.6983	8