> 1 contour
-174.807	51.4	1
-174.817	51.425	1
-174.819	51.4313	1
-174.825	51.45	1
-174.83	51.475	1
-174.832	51.5	1
-174.831	51.525	1
-174.827	51.55	1
-174.822	51.575	1
-174.819	51.5846	1
-174.815	51.6	1
-174.806	51.625	1
-174.795	51.65	1
-174.794	51.6507	1
-174.78	51.675	1
-174.769	51.6892	1
-174.761	51.7	1
-174.744	51.7167	1
-174.735	51.725	1
-174.719	51.7376	1
-174.701	51.75	1
-174.694	51.7537	1
-174.669	51.7664	1
-174.648	51.775	1
-174.644	51.7763	1
-174.619	51.7845	1
-174.594	51.7914	1
-174.569	51.7972	1
-174.553	51.8	1
-174.544	51.8017	1
-174.519	51.8044	1
-174.494	51.8048	1
-174.469	51.8026	1
-174.456	51.8	1
-174.444	51.7977	1
-174.419	51.7904	1
-174.394	51.7803	1
-174.384	51.775	1
-174.369	51.7677	1
-174.344	51.7523	1
-174.341	51.75	1
-174.319	51.7332	1
-174.31	51.725	1
-174.294	51.7084	1
-174.287	51.7	1
-174.269	51.6755	1
-174.269	51.675	1
-174.254	51.65	1
-174.244	51.6311	1
-174.241	51.625	1
-174.229	51.6	1
-174.219	51.575	1
-174.219	51.5748	1
-174.212	51.55	1
-174.208	51.525	1
-174.206	51.5	1
-174.208	51.475	1
-174.213	51.45	1
-174.219	51.433	1
-174.222	51.425	1
-174.235	51.4	1
> 2 contour
-174.635	51.4	2
-174.644	51.409	2
-174.659	51.425	2
-174.669	51.4437	2
-174.673	51.45	2
-174.681	51.475	2
-174.684	51.5	2
-174.682	51.525	2
-174.675	51.55	2
-174.669	51.5599	2
-174.66	51.575	2
-174.644	51.5913	2
-174.627	51.6	2
-174.619	51.6079	2
-174.611	51.625	2
-174.594	51.6417	2
-174.581	51.65	2
-174.569	51.6565	2
-174.544	51.6647	2
-174.519	51.6679	2
-174.494	51.6666	2
-174.469	51.6608	2
-174.445	51.65	2
-174.444	51.6496	2
-174.419	51.6325	2
-174.412	51.625	2
-174.394	51.605	2
-174.391	51.6	2
-174.376	51.575	2
-174.369	51.56	2
-174.365	51.55	2
-174.357	51.525	2
-174.354	51.5	2
-174.356	51.475	2
-174.364	51.45	2
-174.369	51.4386	2
-174.376	51.425	2
-174.394	51.4008	2
-174.395	51.4	2
> 3 contour
-174.569	51.5784	3
-174.544	51.5923	3
-174.519	51.5969	3
-174.494	51.594	3
-174.469	51.5826	3
-174.46	51.575	3
-174.444	51.5595	3
-174.437	51.55	3
-174.426	51.525	3
-174.422	51.5	3
-174.426	51.475	3
-174.439	51.45	3
-174.444	51.4431	3
-174.464	51.425	3
-174.469	51.4209	3
-174.494	51.4095	3
-174.519	51.4064	3
-174.544	51.4109	3
-174.569	51.4236	3
-174.571	51.425	3
-174.594	51.4466	3
-174.597	51.45	3
-174.611	51.475	3
-174.615	51.5	3
-174.61	51.525	3
-174.597	51.55	3
-174.594	51.5535	3
-174.573	51.575	3
-174.569	51.5784	3
> 4 contour
-174.519	51.5588	4
-174.494	51.5505	4
-174.494	51.55	4
-174.469	51.5258	4
-174.469	51.525	4
-174.46	51.5	4
-174.469	51.4751	4
-174.469	51.475	4
-174.494	51.4506	4
-174.496	51.45	4
-174.519	51.4424	4
-174.541	51.45	4
-174.544	51.4512	4
-174.568	51.475	4
-174.569	51.4777	4
-174.577	51.5	4
-174.569	51.523	4
-174.569	51.525	4
-174.544	51.5497	4
-174.543	51.55	4
-174.519	51.5588	4
> 5 contour
-174.519	51.5361	5
-174.5	51.525	5
-174.494	51.5191	5
-174.483	51.5	5
-174.494	51.4813	5
-174.501	51.475	5
-174.519	51.4643	5
-174.538	51.475	5
-174.544	51.4818	5
-174.555	51.5	5
-174.544	51.5185	5
-174.538	51.525	5
-174.519	51.5361	5