> 2 contour -Z2
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-170.008	53.0915830046	2
> 4 contour -Z4
-170.008	53.0221151829	4
-169.983	53.0268317229	4
-169.958	53.0293685449	4
-169.933	53.0301641979	4
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-169.783	52.9899643342	4
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-170.083	52.9360940146	4
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-170.008	53.0221151829	4
> 6 contour -Z6
-170.008	52.9882968686	6
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-170.008	52.8549993405	6
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-170.047786303	52.907	6
-170.039673404	52.932125	6
-170.033	52.9392893717	6
-170.027128948	52.95725	6
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-170.008	52.9882968686	6
> 8 contour -Z8
-170.008	52.9654973373	8
-169.983	52.9749510032	8
-169.958	52.9795146666	8
-169.933	52.980850666	8
-169.908	52.979514386	8
-169.883	52.9749502902	8
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-169.844032977	52.95725	8
-169.833	52.9482205787	8
-169.818007729	52.932125	8
-169.811050272	52.907	8
-169.833	52.8937211074	8
-169.858	52.8823819967	8
-169.858401054	52.881875	8
-169.883	52.8601965785	8
-169.908	52.8572977301	8
-169.923210583	52.85675	8
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-169.958	52.8572975407	8
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-170.008	52.8723885057	8
-170.018185009	52.881875	8
-170.018130264	52.907	8
-170.0247132	52.932125	8
-170.013361881	52.95725	8
-170.008	52.9654973373	8
> 10 contour -Z10
-169.983	52.958580396	10
-169.958	52.9657309556	10
-169.933	52.9678776703	10
-169.908	52.9657304947	10
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-169.834249255	52.907	10
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-169.866910081	52.881875	10
-169.883	52.8676953662	10
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-170.008	52.9190093063	10
-170.014727775	52.932125	10
-170.008	52.9453060056	10
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> 12 contour -Z12
-169.983	52.944505271	12
-169.958	52.9530010959	12
-169.933	52.9554009094	12
-169.908	52.9530005655	12
-169.883	52.944503896	12
-169.864695033	52.932125	12
-169.858	52.9187909771	12
-169.852680661	52.907	12
-169.858	52.9038955711	12
-169.875419108	52.881875	12
-169.883	52.8751941538	12
-169.908	52.8699350595	12
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-169.958	52.8699347057	12
-169.978231525	52.881875	12
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-170.001307614	52.932125	12
-169.983	52.944505271	12
> 14 contour -Z14
-169.958	52.941956712	14
-169.933	52.9451728001	14
-169.908	52.9419559942	14
-169.885697655	52.932125	14
-169.883	52.9291511694	14
-169.869751805	52.907	14
-169.883	52.8848830899	14
-169.885730443	52.881875	14
-169.908	52.8762537243	14
-169.933	52.8742799216	14
-169.958	52.8762532882	14
-169.967525377	52.881875	14
-169.976430316	52.907	14
-169.980305408	52.932125	14
-169.958	52.941956712	14
> 16 contour -Z16
-169.933	52.9349446907	16
-169.91512469	52.932125	16
-169.908	52.9296252712	16
-169.887151134	52.907	16
-169.908	52.8843847567	16
-169.915148496	52.881875	16
-169.933	52.8802339528	16
-169.950855232	52.881875	16
-169.958	52.8843829167	16
-169.967190291	52.907	16
-169.958	52.9296271023	16
-169.950879024	52.932125	16
-169.933	52.9349446907	16