> 5 contour
155.441	-6.81425	5
155.491	-6.81389	5
155.541	-6.81466	5
155.565	-6.824	5
155.591	-6.83308	5
155.641	-6.85474	5
155.664	-6.874	5
155.691	-6.90246	5
155.71	-6.924	5
155.715	-6.974	5
155.725	-7.024	5
155.729	-7.074	5
155.741	-7.10175	5
155.767	-7.124	5
155.755	-7.174	5
155.741	-7.20586	5
155.732	-7.224	5
155.693	-7.274	5
155.691	-7.27593	5
155.641	-7.32278	5
155.638	-7.324	5
155.591	-7.33471	5
155.541	-7.34517	5
155.491	-7.36556	5
155.441	-7.36535	5
155.391	-7.34746	5
155.342	-7.324	5
155.341	-7.32332	5
155.291	-7.27593	5
155.289	-7.274	5
155.25	-7.224	5
155.241	-7.20593	5
155.227	-7.174	5
155.215	-7.124	5
155.213	-7.074	5
155.221	-7.024	5
155.24	-6.974	5
155.241	-6.97257	5
155.272	-6.924	5
155.291	-6.90245	5
155.317	-6.874	5
155.341	-6.8541	5
155.391	-6.83207	5
155.415	-6.824	5
155.441	-6.81425	5
> 10 contour
155.441	-6.93969	10
155.491	-6.9347	10
155.541	-6.93968	10
155.587	-6.974	10
155.591	-6.97713	10
155.634	-7.024	10
155.641	-7.04462	10
155.65	-7.074	10
155.646	-7.124	10
155.641	-7.13595	10
155.622	-7.174	10
155.591	-7.20501	10
155.567	-7.224	10
155.541	-7.24223	10
155.491	-7.24637	10
155.441	-7.24227	10
155.415	-7.224	10
155.391	-7.20574	10
155.359	-7.174	10
155.341	-7.13244	10
155.338	-7.124	10
155.334	-7.074	10
155.341	-7.04929	10
155.348	-7.024	10
155.391	-6.9771	10
155.395	-6.974	10
155.441	-6.93969	10
> 15 contour
155.441	-6.99984	15
155.491	-6.98465	15
155.541	-6.99969	15
155.568	-7.024	15
155.591	-7.06242	15
155.597	-7.074	15
155.591	-7.11757	15
155.59	-7.124	15
155.552	-7.174	15
155.541	-7.18361	15
155.491	-7.20157	15
155.441	-7.18369	15
155.43	-7.174	15
155.393	-7.124	15
155.391	-7.08877	15
155.389	-7.074	15
155.391	-7.07033	15
155.414	-7.024	15
155.441	-6.99984	15
> 20 contour
155.491	-7.01586	20
155.508	-7.024	20
155.541	-7.04434	20
155.564	-7.074	20
155.558	-7.124	20
155.541	-7.14332	20
155.491	-7.17092	20
155.441	-7.14278	20
155.425	-7.124	20
155.42	-7.074	20
155.441	-7.04501	20
155.474	-7.024	20
155.491	-7.01586	20