> 4 contour
158.02	-8.37409	4
158.103	-8.35385	4
158.186	-8.34674	4
158.27	-8.34474	4
158.353	-8.35009	4
158.436	-8.36247	4
158.52	-8.38319	4
158.559	-8.3962	4
158.603	-8.40956	4
158.686	-8.44999	4
158.737	-8.47953	4
158.77	-8.49863	4
158.853	-8.5608	4
158.855	-8.56287	4
158.936	-8.63731	4
158.945	-8.6462	4
159.014	-8.72953	4
159.02	-8.73724	4
159.072	-8.81287	4
159.103	-8.87216	4
159.115	-8.8962	4
159.148	-8.97953	4
159.103	-9.00558	4
159.072	-9.06287	4
159.103	-9.10551	4
159.186	-9.14261	4
159.187	-9.1462	4
159.196	-9.22953	4
159.198	-9.31287	4
159.192	-9.3962	4
159.186	-9.42657	4
159.178	-9.47953	4
159.158	-9.56287	4
159.129	-9.6462	4
159.103	-9.70063	4
159.089	-9.72953	4
159.036	-9.81287	4
159.02	-9.83481	4
158.972	-9.8962	4
158.936	-9.93489	4
158.89	-9.97953	4
158.853	-10.0115	4
158.783	-10.0629	4
158.77	-10.0719	4
158.686	-10.1208	4
158.633	-10.1462	4
158.603	-10.1611	4
158.52	-10.188	4
158.436	-10.2079	4
158.353	-10.2197	4
158.27	-10.2246	4
158.186	-10.2226	4
158.103	-10.2158	4
158.02	-10.1967	4
157.936	-10.1712	4
157.877	-10.1462	4
157.853	-10.1365	4
157.77	-10.0933	4
157.723	-10.0629	4
157.686	-10.038	4
157.613	-9.97953	4
157.603	-9.97072	4
157.534	-9.8962	4
157.52	-9.87771	4
157.471	-9.81287	4
157.436	-9.75708	4
157.42	-9.72953	4
157.379	-9.6462	4
157.353	-9.56971	4
157.35	-9.56287	4
157.328	-9.47953	4
157.313	-9.3962	4
157.307	-9.31287	4
157.309	-9.22953	4
157.318	-9.1462	4
157.335	-9.06287	4
157.353	-9.00476	4
157.36	-8.97953	4
157.393	-8.8962	4
157.436	-8.81457	4
157.437	-8.81287	4
157.52	-8.78391	4
157.603	-8.75587	4
157.628	-8.72953	4
157.603	-8.67163	4
157.559	-8.6462	4
157.603	-8.60071	4
157.648	-8.56287	4
157.686	-8.5331	4
157.768	-8.47953	4
157.77	-8.47923	4
157.77	-8.47953	4
157.82	-8.56287	4
157.853	-8.57758	4
157.871	-8.56287	4
157.903	-8.47953	4
157.936	-8.40027	4
157.95	-8.3962	4
158.02	-8.37409	4
> 8 contour
158.186	-8.89236	8
158.27	-8.88544	8
158.327	-8.8962	8
158.353	-8.89981	8
158.436	-8.9283	8
158.51	-8.97953	8
158.52	-8.98678	8
158.592	-9.06287	8
158.603	-9.08362	8
158.633	-9.1462	8
158.654	-9.22953	8
158.657	-9.31287	8
158.645	-9.3962	8
158.61	-9.47953	8
158.603	-9.49079	8
158.542	-9.56287	8
158.52	-9.58382	8
158.436	-9.63959	8
158.418	-9.6462	8
158.353	-9.67265	8
158.27	-9.68623	8
158.186	-9.68113	8
158.103	-9.66266	8
158.076	-9.6462	8
158.02	-9.60743	8
157.969	-9.56287	8
157.936	-9.52607	8
157.902	-9.47953	8
157.868	-9.3962	8
157.855	-9.31287	8
157.858	-9.22953	8
157.877	-9.1462	8
157.921	-9.06287	8
157.936	-9.04335	8
158	-8.97953	8
158.02	-8.96379	8
158.103	-8.90733	8
158.158	-8.8962	8
158.186	-8.89236	8
> 12 contour
158.186	-9.04562	12
158.27	-9.03885	12
158.347	-9.06287	12
158.353	-9.0642	12
158.436	-9.12543	12
158.453	-9.1462	12
158.493	-9.22953	12
158.499	-9.31287	12
158.477	-9.3962	12
158.436	-9.4486	12
158.4	-9.47953	12
158.353	-9.51093	12
158.27	-9.53484	12
158.186	-9.52832	12
158.103	-9.48738	12
158.095	-9.47953	12
158.031	-9.3962	12
158.02	-9.34843	12
158.008	-9.31287	12
158.016	-9.22953	12
158.02	-9.22302	12
158.05	-9.1462	12
158.103	-9.08435	12
158.149	-9.06287	12
158.186	-9.04562	12
> 16 contour
158.186	-9.12436	16
158.27	-9.10443	16
158.35	-9.1462	16
158.353	-9.14823	16
158.413	-9.22953	16
158.422	-9.31287	16
158.386	-9.3962	16
158.353	-9.42731	16
158.27	-9.45822	16
158.186	-9.44917	16
158.118	-9.3962	16
158.103	-9.36523	16
158.08	-9.31287	16
158.09	-9.22953	16
158.103	-9.20723	16
158.155	-9.1462	16
158.186	-9.12436	16
> 20 contour
158.186	-9.20067	20
158.27	-9.15376	20
158.351	-9.22953	20
158.353	-9.23982	20
158.369	-9.31287	20
158.353	-9.34242	20
158.286	-9.3962	20
158.27	-9.40392	20
158.222	-9.3962	20
158.186	-9.38574	20
158.142	-9.31287	20
158.16	-9.22953	20
158.186	-9.20067	20