> 1 contour
283.408	18.5048	1
283.458	18.5113	1
283.508	18.5174	1
283.558	18.5113	1
283.608	18.5048	1
283.632	18.496	1
283.658	18.487	1
283.708	18.467	1
283.739	18.446	1
283.758	18.4319	1
283.802	18.396	1
283.808	18.3903	1
283.844	18.346	1
283.858	18.3225	1
283.875	18.296	1
283.898	18.246	1
283.908	18.209	1
283.912	18.196	1
283.919	18.146	1
283.918	18.096	1
283.911	18.046	1
283.908	18.0344	1
283.897	17.996	1
283.875	17.946	1
283.858	17.9198	1
283.844	17.896	1
283.808	17.8525	1
283.801	17.846	1
283.758	17.8107	1
283.738	17.796	1
283.708	17.7758	1
283.658	17.7564	1
283.628	17.746	1
283.608	17.7382	1
283.558	17.7319	1
283.508	17.7254	1
283.458	17.7319	1
283.408	17.7382	1
283.388	17.746	1
283.358	17.7564	1
283.308	17.7757	1
283.278	17.796	1
283.258	17.8104	1
283.215	17.846	1
283.208	17.8524	1
283.172	17.896	1
283.158	17.9197	1
283.152	17.946	1
283.119	17.996	1
283.158	18.0216	1
283.189	18.046	1
283.182	18.096	1
283.181	18.146	1
283.189	18.196	1
283.208	18.246	1
283.208	18.2462	1
283.216	18.296	1
283.208	18.3187	1
283.195	18.346	1
283.208	18.3906	1
283.214	18.396	1
283.258	18.4324	1
283.277	18.446	1
283.308	18.4672	1
283.358	18.487	1
283.384	18.496	1
283.408	18.5048	1
> 2 contour
283.508	18.3481	2
283.516	18.346	2
283.558	18.3374	2
283.608	18.3253	2
283.648	18.296	2
283.658	18.2873	2
283.699	18.246	2
283.708	18.2326	2
283.728	18.196	2
283.74	18.146	2
283.738	18.096	2
283.708	18.0718	2
283.671	18.046	2
283.658	18.029	2
283.633	17.996	2
283.608	17.9728	2
283.558	17.9549	2
283.512	17.946	2
283.508	17.9449	2
283.504	17.946	2
283.458	17.9549	2
283.408	17.9727	2
283.383	17.996	2
283.358	18.029	2
283.345	18.046	2
283.33	18.096	2
283.328	18.146	2
283.345	18.196	2
283.339	18.246	2
283.358	18.2873	2
283.368	18.296	2
283.408	18.3253	2
283.458	18.3374	2
283.5	18.346	2
283.508	18.3481	2
> 3 contour
283.458	18.2678	3
283.508	18.286	3
283.558	18.2678	3
283.603	18.246	3
283.608	18.2437	3
283.65	18.196	3
283.632	18.146	3
283.633	18.096	3
283.608	18.0478	3
283.607	18.046	3
283.558	18.013	3
283.508	18.0022	3
283.458	18.013	3
283.409	18.046	3
283.408	18.0478	3
283.383	18.096	3
283.384	18.146	3
283.408	18.1932	3
283.41	18.196	3
283.413	18.246	3
283.458	18.2678	3
> 4 contour
283.508	18.2473	4
283.511	18.246	4
283.558	18.2295	4
283.605	18.196	4
283.597	18.146	4
283.6	18.096	4
283.558	18.0502	4
283.539	18.046	4
283.508	18.0375	4
283.477	18.046	4
283.458	18.0502	4
283.416	18.096	4
283.419	18.146	4
283.458	18.194	4
283.461	18.196	4
283.505	18.246	4
283.508	18.2473	4
> 5 contour
283.508	18.1982	5
283.558	18.2021	5
283.567	18.196	5
283.57	18.146	5
283.575	18.096	5
283.558	18.0775	5
283.508	18.064	5
283.458	18.0775	5
283.441	18.096	5
283.446	18.146	5
283.458	18.1602	5
283.506	18.196	5
283.508	18.1982	5