> 5 contour
166.065	-11.8401	5
166.148	-11.8184	5
166.231	-11.8162	5
166.315	-11.8309	5
166.398	-11.8737	5
166.423	-11.8947	5
166.481	-11.9729	5
166.485	-11.978	5
166.522	-12.0613	5
166.53	-12.1447	5
166.515	-12.228	5
166.481	-12.2818	5
166.463	-12.3113	5
166.398	-12.3699	5
166.346	-12.3947	5
166.315	-12.4108	5
166.231	-12.4311	5
166.148	-12.427	5
166.065	-12.4012	5
166.057	-12.3947	5
165.981	-12.3186	5
165.974	-12.3113	5
165.922	-12.228	5
165.907	-12.1447	5
165.913	-12.0613	5
165.945	-11.978	5
165.981	-11.9292	5
166.005	-11.8947	5
166.065	-11.8401	5
> 10 contour
166.148	-11.9559	10
166.231	-11.9345	10
166.308	-11.978	10
166.315	-11.9824	10
166.381	-12.0613	10
166.389	-12.1447	10
166.353	-12.228	10
166.315	-12.2639	10
166.231	-12.3003	10
166.148	-12.2918	10
166.065	-12.2287	10
166.064	-12.228	10
166.032	-12.1447	10
166.045	-12.0613	10
166.065	-12.028	10
166.114	-11.978	10
166.148	-11.9559	10
> 15 contour
166.148	-12.0282	15
166.231	-11.9886	15
166.315	-12.0585	15
166.317	-12.0613	15
166.338	-12.1447	15
166.315	-12.179	15
166.267	-12.228	15
166.231	-12.2516	15
166.159	-12.228	15
166.148	-12.2218	15
166.099	-12.1447	15
166.115	-12.0613	15
166.148	-12.0282	15