> 3 contour
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> 6 contour
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> 9 contour
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> 12 contour
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-172.528	-17.1244	12
-172.53	-17.1227	12
-172.586	-17.0744	12
-172.614	-17.0481	12
-172.637	-17.0244	12
-172.677	-16.9744	12
-172.697	-16.9474	12
-172.713	-16.9244	12
-172.739	-16.8744	12
-172.764	-16.8244	12
-172.779	-16.7744	12
-172.78	-16.7693	12
-172.797	-16.7244	12
-172.805	-16.6744	12
-172.816	-16.6244	12
-172.816	-16.5744	12
-172.819	-16.5244	12
-172.813	-16.4744	12
-172.809	-16.4244	12
-172.794	-16.3744	12
-172.782	-16.3244	12
-172.78	-16.32	12
-172.762	-16.2744	12
-172.742	-16.2244	12
-172.713	-16.1744	12
-172.697	-16.1496	12
-172.68	-16.1244	12
-172.638	-16.0744	12
-172.614	-16.0486	12
-172.59	-16.0244	12
-172.531	-15.9744	12
-172.53	-15.9737	12
-172.459	-15.9244	12
-172.447	-15.9167	12
-172.365	-15.8744	12
-172.364	-15.874	12
-172.28	-15.8434	12
-172.197	-15.8249	12
-172.193	-15.8244	12
-172.114	-15.8118	12
> 15 contour
-172.197	-15.9686	15
-172.114	-15.952	15
-172.03	-15.9483	15
-171.947	-15.9553	15
-171.864	-15.9744	15
-171.864	-15.9744	15
-171.78	-16.007	15
-171.748	-16.0244	15
-171.697	-16.0535	15
-171.667	-16.0744	15
-171.614	-16.1173	15
-171.606	-16.1244	15
-171.559	-16.1744	15
-171.53	-16.2123	15
-171.521	-16.2244	15
-171.492	-16.2744	15
-171.467	-16.3244	15
-171.451	-16.3744	15
-171.447	-16.3885	15
-171.435	-16.4244	15
-171.428	-16.4744	15
-171.422	-16.5244	15
-171.424	-16.5744	15
-171.426	-16.6244	15
-171.438	-16.6744	15
-171.447	-16.711	15
-171.45	-16.7244	15
-171.47	-16.7744	15
-171.492	-16.8244	15
-171.524	-16.8744	15
-171.53	-16.8832	15
-171.561	-16.9244	15
-171.609	-16.9744	15
-171.614	-16.9791	15
-171.672	-17.0244	15
-171.697	-17.0417	15
-171.753	-17.0744	15
-171.78	-17.0886	15
-171.864	-17.119	15
-171.888	-17.1244	15
-171.947	-17.1384	15
-172.03	-17.146	15
-172.114	-17.1419	15
-172.197	-17.1251	15
-172.199	-17.1244	15
-172.28	-17.1027	15
-172.343	-17.0744	15
-172.364	-17.064	15
-172.423	-17.0244	15
-172.447	-17.0072	15
-172.485	-16.9744	15
-172.53	-16.9265	15
-172.532	-16.9244	15
-172.57	-16.8744	15
-172.602	-16.8244	15
-172.614	-16.7976	15
-172.624	-16.7744	15
-172.646	-16.7244	15
-172.659	-16.6744	15
-172.67	-16.6244	15
-172.673	-16.5744	15
-172.674	-16.5244	15
-172.669	-16.4744	15
-172.661	-16.4244	15
-172.645	-16.3744	15
-172.628	-16.3244	15
-172.614	-16.2981	15
-172.602	-16.2744	15
-172.573	-16.2244	15
-172.534	-16.1744	15
-172.53	-16.17	15
-172.488	-16.1244	15
-172.447	-16.0882	15
-172.429	-16.0744	15
-172.364	-16.0321	15
-172.348	-16.0244	15
-172.28	-15.992	15
-172.219	-15.9744	15
-172.197	-15.9686	15
> 18 contour
-172.114	-16.066	18
-172.03	-16.0612	18
-171.947	-16.0698	18
-171.93	-16.0744	18
-171.864	-16.0952	18
-171.806	-16.1244	18
-171.78	-16.1371	18
-171.727	-16.1744	18
-171.697	-16.2006	18
-171.673	-16.2244	18
-171.629	-16.2744	18
-171.614	-16.2975	18
-171.598	-16.3244	18
-171.573	-16.3744	18
-171.557	-16.4244	18
-171.546	-16.4744	18
-171.541	-16.5244	18
-171.541	-16.5744	18
-171.546	-16.6244	18
-171.558	-16.6744	18
-171.575	-16.7244	18
-171.599	-16.7744	18
-171.614	-16.7981	18
-171.632	-16.8244	18
-171.675	-16.8744	18
-171.697	-16.895	18
-171.733	-16.9244	18
-171.78	-16.9589	18
-171.808	-16.9744	18
-171.864	-16.9998	18
-171.947	-17.0219	18
-171.973	-17.0244	18
-172.03	-17.0309	18
-172.114	-17.0252	18
-172.117	-17.0244	18
-172.197	-17.0061	18
-172.28	-16.9788	18
-172.289	-16.9744	18
-172.364	-16.9247	18
-172.364	-16.9244	18
-172.422	-16.8744	18
-172.447	-16.8443	18
-172.462	-16.8244	18
-172.495	-16.7744	18
-172.519	-16.7244	18
-172.53	-16.6885	18
-172.535	-16.6744	18
-172.548	-16.6244	18
-172.552	-16.5744	18
-172.554	-16.5244	18
-172.547	-16.4744	18
-172.537	-16.4244	18
-172.53	-16.4067	18
-172.519	-16.3744	18
-172.496	-16.3244	18
-172.465	-16.2744	18
-172.447	-16.251	18
-172.423	-16.2244	18
-172.372	-16.1744	18
-172.364	-16.1682	18
-172.289	-16.1244	18
-172.28	-16.1191	18
-172.197	-16.0882	18
-172.148	-16.0744	18
-172.114	-16.066	18
> 21 contour
-172.03	-16.218	21
-171.992	-16.2244	21
-171.947	-16.2304	21
-171.864	-16.2636	21
-171.847	-16.2744	21
-171.796	-16.3244	21
-171.78	-16.3397	21
-171.752	-16.3744	21
-171.73	-16.4244	21
-171.711	-16.4744	21
-171.707	-16.5244	21
-171.704	-16.5744	21
-171.715	-16.6244	21
-171.728	-16.6744	21
-171.759	-16.7244	21
-171.78	-16.7573	21
-171.793	-16.7744	21
-171.861	-16.8244	21
-171.864	-16.8266	21
-171.947	-16.8695	21
-171.974	-16.8744	21
-172.03	-16.8819	21
-172.114	-16.8746	21
-172.114	-16.8744	21
-172.197	-16.837	21
-172.22	-16.8244	21
-172.28	-16.794	21
-172.304	-16.7744	21
-172.337	-16.7244	21
-172.364	-16.6868	21
-172.371	-16.6744	21
-172.383	-16.6244	21
-172.396	-16.5744	21
-172.392	-16.5244	21
-172.388	-16.4744	21
-172.368	-16.4244	21
-172.364	-16.4141	21
-172.346	-16.3744	21
-172.299	-16.3244	21
-172.28	-16.3038	21
-172.237	-16.2744	21
-172.197	-16.2566	21
-172.114	-16.2266	21
-172.088	-16.2244	21
-172.03	-16.218	21
> 24 contour
-172.03	-16.3242	24
-172.029	-16.3244	24
-171.947	-16.3395	24
-171.885	-16.3744	24
-171.864	-16.4032	24
-171.852	-16.4244	24
-171.82	-16.4744	24
-171.822	-16.5244	24
-171.81	-16.5744	24
-171.83	-16.6244	24
-171.845	-16.6744	24
-171.864	-16.6949	24
-171.907	-16.7244	24
-171.947	-16.7594	24
-171.994	-16.7744	24
-172.03	-16.7807	24
-172.086	-16.7744	24
-172.114	-16.7684	24
-172.17	-16.7244	24
-172.197	-16.7058	24
-172.239	-16.6744	24
-172.26	-16.6244	24
-172.28	-16.5957	24
-172.29	-16.5744	24
-172.28	-16.5386	24
-172.274	-16.5244	24
-172.28	-16.4744	24
-172.229	-16.4244	24
-172.197	-16.387	24
-172.186	-16.3744	24
-172.114	-16.3345	24
-172.032	-16.3244	24
-172.03	-16.3242	24
> 27 contour
-172.114	-16.5671	27
-172.03	-16.5596	27
-171.947	-16.5652	27
-171.937	-16.5744	27
-171.947	-16.5876	27
-172.03	-16.6234	27
-172.114	-16.5862	27
-172.122	-16.5744	27
-172.114	-16.5671	27