> 0.5 contour
16.0063	51.8555	0.5
16.0696	51.8528	0.5
16.0897	51.8525	0.5
16.173	51.8468	0.5
16.2563	51.8323	0.5
16.3397	51.7946	0.5
16.3592	51.7695	0.5
16.423	51.7063	0.5
16.4526	51.6862	0.5
16.4769	51.6028	0.5
16.423	51.5505	0.5
16.3925	51.5195	0.5
16.3397	51.464	0.5
16.2976	51.4362	0.5
16.2563	51.4148	0.5
16.173	51.3902	0.5
16.0979	51.3528	0.5
16.0897	51.3466	0.5
16.079	51.3528	0.5
16.0063	51.3665	0.5
15.923	51.3705	0.5
15.8397	51.4064	0.5
15.7701	51.4362	0.5
15.7625	51.5195	0.5
15.7563	51.5257	0.5
15.6749	51.6028	0.5
15.7563	51.6763	0.5
15.7674	51.6862	0.5
15.8068	51.7695	0.5
15.8397	51.7959	0.5
15.923	51.8331	0.5
16.002	51.8528	0.5
16.0063	51.8555	0.5
> 1 contour
16.0063	51.7713	1
16.0897	51.7747	1
16.1058	51.7695	1
16.173	51.7571	1
16.2563	51.7164	1
16.2913	51.6862	1
16.3271	51.6028	1
16.2563	51.5292	1
16.2442	51.5195	1
16.173	51.4735	1
16.0916	51.4362	1
16.0897	51.4348	1
16.0063	51.4336	1
15.9939	51.4362	1
15.923	51.4518	1
15.8709	51.5195	1
15.8508	51.6028	1
15.9086	51.6862	1
15.923	51.7135	1
15.9999	51.7695	1
16.0063	51.7713	1
> 1.5 contour
16.0063	51.7296	1.5
16.0897	51.7427	1.5
16.173	51.7124	1.5
16.212	51.6862	1.5
16.2563	51.6094	1.5
16.2601	51.6028	1.5
16.2563	51.5989	1.5
16.173	51.5245	1.5
16.1568	51.5195	1.5
16.0897	51.4836	1.5
16.0063	51.4712	1.5
15.9269	51.5195	1.5
15.923	51.5273	1.5
15.8952	51.6028	1.5
15.923	51.6377	1.5
15.9605	51.6862	1.5
16.0063	51.7296	1.5
> 2 contour
16.0063	51.6888	2
16.0897	51.7139	2
16.1481	51.6862	2
16.173	51.6708	2
16.2279	51.6028	2
16.173	51.5522	2
16.0897	51.5255	2
16.053	51.5195	2
16.0063	51.5076	2
15.9868	51.5195	2
15.9534	51.6028	2
16.0036	51.6862	2
16.0063	51.6888	2