> 4 contour
175.851	-17.8693	4
175.934	-17.8539	4
176.017	-17.8506	4
176.101	-17.8584	4
176.184	-17.8781	4
176.194	-17.8819	4
176.267	-17.909	4
176.311	-17.9319	4
176.351	-17.9541	4
176.388	-17.9819	4
176.434	-18.0224	4
176.444	-18.0319	4
176.489	-18.0819	4
176.517	-18.1219	4
176.525	-18.1319	4
176.555	-18.1819	4
176.577	-18.2319	4
176.591	-18.2819	4
176.601	-18.3252	4
176.603	-18.3319	4
176.612	-18.3819	4
176.615	-18.4319	4
176.612	-18.4819	4
176.604	-18.5319	4
176.601	-18.5445	4
176.594	-18.5819	4
176.579	-18.6319	4
176.558	-18.6819	4
176.529	-18.7319	4
176.517	-18.7485	4
176.494	-18.7819	4
176.451	-18.8319	4
176.434	-18.8485	4
176.397	-18.8819	4
176.351	-18.9162	4
176.323	-18.9319	4
176.267	-18.961	4
176.212	-18.9819	4
176.184	-18.9924	4
176.101	-19.0119	4
176.017	-19.0194	4
175.934	-19.016	4
175.851	-19.0008	4
175.79	-18.9819	4
175.767	-18.975	4
175.684	-18.9349	4
175.679	-18.9319	4
175.607	-18.8819	4
175.601	-18.877	4
175.551	-18.8319	4
175.517	-18.793	4
175.508	-18.7819	4
175.471	-18.7319	4
175.444	-18.6819	4
175.434	-18.6595	4
175.421	-18.6319	4
175.404	-18.5819	4
175.392	-18.5319	4
175.384	-18.4819	4
175.381	-18.4319	4
175.384	-18.3819	4
175.393	-18.3319	4
175.407	-18.2819	4
175.425	-18.2319	4
175.434	-18.2128	4
175.447	-18.1819	4
175.476	-18.1319	4
175.514	-18.0819	4
175.517	-18.0779	4
175.558	-18.0319	4
175.601	-17.9932	4
175.615	-17.9819	4
175.684	-17.9353	4
175.691	-17.9319	4
175.767	-17.8947	4
175.81	-17.8819	4
175.851	-17.8693	4
> 8 contour
175.934	-18.1979	8
176.017	-18.1904	8
176.101	-18.2091	8
176.141	-18.2319	8
176.184	-18.2623	8
176.205	-18.2819	8
176.239	-18.3319	8
176.261	-18.3819	8
176.267	-18.4319	8
176.261	-18.4819	8
176.241	-18.5319	8
176.21	-18.5819	8
176.184	-18.6072	8
176.151	-18.6319	8
176.101	-18.6608	8
176.017	-18.6785	8
175.934	-18.6699	8
175.851	-18.6365	8
175.844	-18.6319	8
175.79	-18.5819	8
175.771	-18.5319	8
175.767	-18.5209	8
175.745	-18.4819	8
175.738	-18.4319	8
175.746	-18.3819	8
175.767	-18.3446	8
175.772	-18.3319	8
175.795	-18.2819	8
175.851	-18.2331	8
175.853	-18.2319	8
175.934	-18.1979	8
> 12 contour
175.934	-18.3037	12
176.017	-18.2887	12
176.101	-18.3247	12
176.109	-18.3319	12
176.154	-18.3819	12
176.171	-18.4319	12
176.151	-18.4819	12
176.117	-18.5319	12
176.101	-18.5461	12
176.017	-18.579	12
175.934	-18.5671	12
175.877	-18.5319	12
175.851	-18.5069	12
175.833	-18.4819	12
175.822	-18.4319	12
175.84	-18.3819	12
175.851	-18.3675	12
175.889	-18.3319	12
175.934	-18.3037	12
> 16 contour
175.934	-18.3709	16
176.017	-18.3374	16
176.088	-18.3819	16
176.101	-18.4039	16
176.12	-18.4319	16
176.101	-18.4583	16
176.091	-18.4819	16
176.028	-18.5319	16
176.017	-18.537	16
176	-18.5319	16
175.934	-18.5087	16
175.9	-18.4819	16
175.878	-18.4319	16
175.92	-18.3819	16
175.934	-18.3709	16
> 20 contour
176.017	-18.3641	20
176.046	-18.3819	20
176.089	-18.4319	20
176.063	-18.4819	20
176.017	-18.5143	20
175.953	-18.4819	20
175.934	-18.4426	20
175.928	-18.4319	20
175.934	-18.4252	20
175.98	-18.3819	20
176.017	-18.3641	20