> 3 contour
250.711	20.1888	3
250.795	20.1939	3
250.878	20.1849	3
250.918	20.174	3
250.961	20.1627	3
251.045	20.1241	3
251.045	20.124	3
251.12	20.074	3
251.128	20.0672	3
251.177	20.024	3
251.211	19.9836	3
251.219	19.974	3
251.251	19.924	3
251.274	19.874	3
251.287	19.824	3
251.295	19.7811	3
251.296	19.774	3
251.301	19.724	3
251.303	19.674	3
251.297	19.624	3
251.295	19.614	3
251.287	19.574	3
251.274	19.524	3
251.252	19.474	3
251.222	19.424	3
251.211	19.4101	3
251.18	19.374	3
251.128	19.3283	3
251.123	19.324	3
251.051	19.274	3
251.045	19.27	3
250.961	19.2315	3
250.933	19.224	3
250.878	19.2089	3
250.795	19.2001	3
250.711	19.205	3
250.628	19.2211	3
250.62	19.224	3
250.545	19.2516	3
250.505	19.274	3
250.461	19.3014	3
250.432	19.324	3
250.379	19.374	3
250.378	19.3755	3
250.337	19.424	3
250.307	19.474	3
250.295	19.5013	3
250.282	19.524	3
250.265	19.574	3
250.251	19.624	3
250.246	19.674	3
250.247	19.724	3
250.252	19.774	3
250.265	19.824	3
250.283	19.874	3
250.295	19.8949	3
250.308	19.924	3
250.341	19.974	3
250.378	20.019	3
250.382	20.024	3
250.436	20.074	3
250.461	20.0931	3
250.511	20.124	3
250.545	20.1426	3
250.628	20.1726	3
250.636	20.174	3
250.711	20.1888	3
> 6 contour
250.711	19.8946	6
250.795	19.9041	6
250.878	19.8833	6
250.893	19.874	6
250.952	19.824	6
250.961	19.8102	6
250.989	19.774	6
251	19.724	6
251.004	19.674	6
250.992	19.624	6
250.961	19.584	6
250.954	19.574	6
250.899	19.524	6
250.878	19.5108	6
250.795	19.4898	6
250.711	19.4983	6
250.658	19.524	6
250.628	19.5461	6
250.602	19.574	6
250.566	19.624	6
250.555	19.674	6
250.558	19.724	6
250.568	19.774	6
250.598	19.824	6
250.628	19.8527	6
250.667	19.874	6
250.711	19.8946	6
> 9 contour
250.711	19.8048	9
250.795	19.8178	9
250.878	19.7813	9
250.886	19.774	9
250.914	19.724	9
250.92	19.674	9
250.892	19.624	9
250.878	19.6119	9
250.808	19.574	9
250.795	19.5683	9
250.77	19.574	9
250.711	19.5868	9
250.664	19.624	9
250.641	19.674	9
250.644	19.724	9
250.67	19.774	9
250.711	19.8048	9
> 12 contour
250.795	19.7803	12
250.808	19.774	12
250.866	19.724	12
250.871	19.674	12
250.82	19.624	12
250.795	19.6097	12
250.751	19.624	12
250.711	19.6427	12
250.686	19.674	12
250.692	19.724	12
250.711	19.7478	12
250.772	19.774	12
250.795	19.7803	12