> 2 contour
16.1527	51.6807	2
16.1697	51.673	2
16.236	51.6531	2
16.3004	51.5897	2
16.3193	51.5133	2
16.3231	51.5063	2
16.3193	51.4987	2
16.2683	51.423	2
16.236	51.3946	2
16.1527	51.3559	2
16.0693	51.3588	2
15.986	51.3713	2
15.9211	51.423	2
15.9027	51.499	2
15.9002	51.5063	2
15.9027	51.5122	2
15.9707	51.5897	2
15.986	51.5987	2
16.0693	51.6483	2
16.1381	51.673	2
16.1527	51.6807	2
> 4 contour
16.1527	51.6397	4
16.2221	51.5897	4
16.236	51.5325	4
16.2457	51.5063	4
16.236	51.4956	4
16.1839	51.423	4
16.1527	51.3999	4
16.0693	51.4215	4
16.0648	51.423	4
15.9916	51.5063	4
16.0693	51.5678	4
16.086	51.5897	4
16.1527	51.6397	4