> 4 contour
151.777	-4.04324	4
151.827	-4.04329	4
151.877	-4.04333	4
151.892	-4.048	4
151.927	-4.0569	4
151.977	-4.0718	4
152.018	-4.098	4
152.027	-4.10379	4
152.077	-4.14088	4
152.084	-4.148	4
152.123	-4.198	4
152.077	-4.24239	4
152.072	-4.248	4
152.077	-4.25747	4
152.097	-4.298	4
152.111	-4.348	4
152.122	-4.398	4
152.127	-4.40804	4
152.153	-4.448	4
152.127	-4.48252	4
152.103	-4.498	4
152.11	-4.548	4
152.077	-4.58601	4
152.04	-4.598	4
152.027	-4.61051	4
151.984	-4.648	4
151.977	-4.65357	4
151.927	-4.67572	4
151.877	-4.69285	4
151.827	-4.69343	4
151.777	-4.69289	4
151.772	-4.698	4
151.727	-4.72147	4
151.677	-4.73639	4
151.627	-4.70423	4
151.618	-4.698	4
151.577	-4.66676	4
151.56	-4.648	4
151.527	-4.60132	4
151.525	-4.598	4
151.495	-4.548	4
151.477	-4.498	4
151.477	-4.49664	4
151.467	-4.448	4
151.465	-4.398	4
151.47	-4.348	4
151.477	-4.31613	4
151.527	-4.31545	4
151.557	-4.298	4
151.577	-4.25843	4
151.583	-4.248	4
151.577	-4.24172	4
151.558	-4.198	4
151.571	-4.148	4
151.577	-4.14161	4
151.627	-4.1039	4
151.636	-4.098	4
151.677	-4.07173	4
151.727	-4.0569	4
151.762	-4.048	4
151.777	-4.04324	4
> 8 contour
151.777	-4.20712	8
151.827	-4.20064	8
151.877	-4.1993	8
151.927	-4.22415	8
151.962	-4.248	8
151.977	-4.25937	8
151.993	-4.298	8
152.006	-4.348	8
152.027	-4.39592	8
152.03	-4.398	8
152.027	-4.40022	8
151.989	-4.448	8
151.977	-4.47287	8
151.963	-4.498	8
151.927	-4.53074	8
151.9	-4.548	8
151.877	-4.5632	8
151.827	-4.56789	8
151.777	-4.5633	8
151.754	-4.548	8
151.727	-4.53142	8
151.69	-4.498	8
151.677	-4.47364	8
151.665	-4.448	8
151.66	-4.398	8
151.671	-4.348	8
151.677	-4.33567	8
151.701	-4.298	8
151.727	-4.27513	8
151.77	-4.248	8
151.777	-4.20712	8
> 12 contour
151.827	-4.28517	12
151.877	-4.26032	12
151.924	-4.298	12
151.927	-4.30133	12
151.965	-4.348	12
151.94	-4.398	12
151.929	-4.448	12
151.927	-4.45118	12
151.886	-4.498	12
151.877	-4.50475	12
151.827	-4.51883	12
151.777	-4.5051	12
151.768	-4.498	12
151.727	-4.45023	12
151.725	-4.448	12
151.714	-4.398	12
151.727	-4.36319	12
151.731	-4.348	12
151.777	-4.29959	12
151.783	-4.298	12
151.827	-4.28517	12
> 16 contour
151.777	-4.34049	16
151.827	-4.3131	16
151.877	-4.31468	16
151.903	-4.348	16
151.908	-4.398	16
151.89	-4.448	16
151.877	-4.46212	16
151.827	-4.48796	16
151.777	-4.46212	16
151.764	-4.448	16
151.746	-4.398	16
151.77	-4.348	16
151.777	-4.34049	16
> 20 contour
151.827	-4.33506	20
151.848	-4.348	20
151.877	-4.38811	20
151.882	-4.398	20
151.877	-4.40975	20
151.855	-4.448	20
151.827	-4.46639	20
151.799	-4.448	20
151.777	-4.40971	20
151.772	-4.398	20
151.777	-4.38809	20
151.806	-4.348	20
151.827	-4.33506	20