> 6 contour
251.676	-8.6345	6
251.759	-8.6387	6
251.842	-8.65471	6
251.845	-8.6557	6
251.926	-8.68559	6
251.999	-8.73903	6
252.009	-8.74723	6
252.075	-8.82237	6
252.092	-8.86148	6
252.114	-8.9057	6
252.135	-8.98903	6
252.135	-9.07237	6
252.117	-9.1557	6
252.092	-9.20245	6
252.074	-9.23903	6
252.009	-9.31174	6
251.996	-9.32237	6
251.926	-9.37319	6
251.842	-9.40367	6
251.826	-9.4057	6
251.759	-9.41768	6
251.676	-9.42379	6
251.636	-9.4057	6
251.592	-9.38743	6
251.509	-9.33838	6
251.49	-9.32237	6
251.426	-9.25133	6
251.416	-9.23903	6
251.372	-9.1557	6
251.355	-9.07237	6
251.355	-8.98903	6
251.372	-8.9057	6
251.415	-8.82237	6
251.426	-8.80802	6
251.486	-8.73903	6
251.509	-8.71953	6
251.592	-8.67247	6
251.632	-8.6557	6
251.676	-8.6345	6
> 12 contour
251.676	-8.79663	12
251.759	-8.79994	12
251.823	-8.82237	12
251.842	-8.82668	12
251.926	-8.89826	12
251.932	-8.9057	12
251.972	-8.98903	12
251.97	-9.07237	12
251.927	-9.1557	12
251.926	-9.15683	12
251.842	-9.23482	12
251.823	-9.23903	12
251.759	-9.25997	12
251.676	-9.2616	12
251.643	-9.23903	12
251.592	-9.20556	12
251.546	-9.1557	12
251.517	-9.07237	12
251.518	-8.98903	12
251.55	-8.9057	12
251.592	-8.85842	12
251.64	-8.82237	12
251.676	-8.79663	12
> 18 contour
251.676	-8.86661	18
251.759	-8.85322	18
251.842	-8.89833	18
251.85	-8.9057	18
251.907	-8.98903	18
251.906	-9.07237	18
251.85	-9.1557	18
251.842	-9.16272	18
251.759	-9.1995	18
251.676	-9.18963	18
251.634	-9.1557	18
251.592	-9.10207	18
251.575	-9.07237	18
251.576	-8.98903	18
251.592	-8.96303	18
251.631	-8.9057	18
251.676	-8.86661	18
> 24 contour
251.759	-8.89171	24
251.783	-8.9057	24
251.842	-8.95249	24
251.869	-8.98903	24
251.87	-9.07237	24
251.842	-9.11064	24
251.759	-9.15371	24
251.676	-9.13466	24
251.621	-9.07237	24
251.623	-8.98903	24
251.676	-8.9226	24
251.715	-8.9057	24
251.759	-8.89171	24
> 30 contour
251.676	-8.97544	30
251.759	-8.91957	30
251.835	-8.98903	30
251.836	-9.07237	30
251.759	-9.13359	30
251.676	-9.08782	30
251.662	-9.07237	30
251.665	-8.98903	30
251.676	-8.97544	30