> 4 contour
250.333	-8.77232	4
250.416	-8.7347	4
250.499	-8.73744	4
250.583	-8.75023	4
250.666	-8.78808	4
250.697	-8.81073	4
250.749	-8.85481	4
250.784	-8.89407	4
250.825	-8.9774	4
250.833	-9.01761	4
250.845	-9.06073	4
250.846	-9.14407	4
250.833	-9.19871	4
250.828	-9.2274	4
250.786	-9.31073	4
250.749	-9.35153	4
250.698	-9.39407	4
250.666	-9.41766	4
250.583	-9.45517	4
250.499	-9.46733	4
250.416	-9.47098	4
250.333	-9.43433	4
250.27	-9.39407	4
250.249	-9.38037	4
250.184	-9.31073	4
250.166	-9.2766	4
250.139	-9.2274	4
250.118	-9.14407	4
250.118	-9.06073	4
250.14	-8.9774	4
250.166	-8.93013	4
250.185	-8.89407	4
250.249	-8.82529	4
250.271	-8.81073	4
250.333	-8.77232	4
> 8 contour
250.333	-8.96224	8
250.416	-8.89567	8
250.499	-8.89659	8
250.583	-8.91798	8
250.65	-8.9774	8
250.666	-9.01625	8
250.687	-9.06073	8
250.688	-9.14407	8
250.666	-9.18888	8
250.65	-9.2274	8
250.583	-9.29059	8
250.499	-9.30939	8
250.416	-9.30918	8
250.333	-9.25261	8
250.31	-9.2274	8
250.272	-9.14407	8
250.273	-9.06073	8
250.319	-8.9774	8
250.333	-8.96224	8
> 12 contour
250.416	-8.96201	12
250.499	-8.93767	12
250.562	-8.9774	12
250.583	-8.99517	12
250.632	-9.06073	12
250.634	-9.14407	12
250.583	-9.2138	12
250.558	-9.2274	12
250.499	-9.25761	12
250.416	-9.23765	12
250.403	-9.2274	12
250.337	-9.14407	12
250.339	-9.06073	12
250.399	-8.9774	12
250.416	-8.96201	12
> 16 contour
250.416	-9.01715	16
250.499	-8.97823	16
250.583	-9.05107	16
250.59	-9.06073	16
250.594	-9.14407	16
250.583	-9.15932	16
250.499	-9.21838	16
250.416	-9.18618	16
250.379	-9.14407	16
250.381	-9.06073	16
250.416	-9.01715	16