> 4 contour
180.356	-15.4883	4
180.44	-15.4684	4
180.523	-15.4659	4
180.606	-15.4813	4
180.69	-15.5229	4
180.698	-15.5292	4
180.773	-15.6061	4
180.778	-15.6125	4
180.826	-15.6958	4
180.843	-15.7792	4
180.837	-15.8625	4
180.802	-15.9458	4
180.773	-15.9794	4
180.722	-16.0292	4
180.69	-16.0546	4
180.606	-16.0944	4
180.523	-16.1072	4
180.44	-16.1041	4
180.356	-16.089	4
180.293	-16.0292	4
180.273	-16.0053	4
180.219	-15.9458	4
180.19	-15.8651	4
180.189	-15.8625	4
180.178	-15.7792	4
180.19	-15.7272	4
180.195	-15.6958	4
180.236	-15.6125	4
180.273	-15.5701	4
180.308	-15.5292	4
180.356	-15.4883	4
> 8 contour
180.44	-15.6104	8
180.523	-15.5913	8
180.569	-15.6125	8
180.606	-15.6279	8
180.671	-15.6958	8
180.69	-15.7681	8
180.694	-15.7792	8
180.69	-15.8011	8
180.683	-15.8625	8
180.606	-15.944	8
180.601	-15.9458	8
180.523	-15.9815	8
180.44	-15.9742	8
180.39	-15.9458	8
180.356	-15.9201	8
180.318	-15.8625	8
180.306	-15.7792	8
180.334	-15.6958	8
180.356	-15.6641	8
180.436	-15.6125	8
180.44	-15.6104	8
> 12 contour
180.44	-15.675	12
180.523	-15.6386	12
180.6	-15.6958	12
180.606	-15.7063	12
180.648	-15.7792	12
180.618	-15.8625	12
180.606	-15.8748	12
180.523	-15.9298	12
180.44	-15.9093	12
180.388	-15.8625	12
180.369	-15.7792	12
180.415	-15.6958	12
180.44	-15.675	12
> 16 contour
180.523	-15.6733	16
180.553	-15.6958	16
180.605	-15.7792	16
180.576	-15.8625	16
180.523	-15.9018	16
180.446	-15.8625	16
180.44	-15.8506	16
180.412	-15.7792	16
180.44	-15.7384	16
180.482	-15.6958	16
180.523	-15.6733	16