> 0.9 contour -Z0.9
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> 1.8 contour -Z1.8
-164.1327	53.8537597019	1.8
-164.120402544	53.8531732394	1.8
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-164.3077	53.7847357822	1.8
-164.291906541	53.8032295775	1.8
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-164.1327	53.8537597019	1.8
> 2.7 contour -Z2.7
-164.2077	53.8126210356	2.7
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-164.1577	53.8240414402	2.7
-164.1327	53.8251930234	2.7
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-163.992277051	53.7532859155	2.7
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-164.0327	53.6817228481	2.7
-164.03876024	53.6783704225	2.7
-164.0577	53.6690267502	2.7
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-164.226643546	53.6783704225	2.7
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-164.273120001	53.7532859155	2.7
-164.259076185	53.7782577465	2.7
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-164.2327	53.7999578218	2.7
-164.226776446	53.8032295775	2.7
-164.2077	53.8126210356	2.7
> 3.6 contour -Z3.6
-164.1577	53.8045405175	3.6
-164.1327	53.8066221249	3.6
-164.1077	53.804539854	3.6
-164.102269224	53.8032295775	3.6
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-164.0327	53.7659518413	3.6
-164.024010248	53.7532859155	3.6
-164.024044143	53.7283140845	3.6
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-164.223048714	53.7033422535	3.6
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-164.241389143	53.7532859155	3.6
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> 4.5 contour -Z4.5
-164.1827	53.7832186678	4.5
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-164.1327	53.7932802987	4.5
-164.1077	53.7910032003	4.5
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-164.217495001	53.7532859155	4.5
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-164.192061202	53.7782577465	4.5
-164.1827	53.7832186678	4.5
> 5.4 contour -Z5.4
-164.1327	53.781107235	5.4
-164.11033565	53.7782577465	5.4
-164.1077	53.7778888214	5.4
-164.0827	53.7661112111	5.4
-164.068501868	53.7532859155	5.4
-164.068521548	53.7283140845	5.4
-164.0827	53.7155072628	5.4
-164.1077	53.7037149409	5.4
-164.11035774	53.7033422535	5.4
-164.1327	53.7004905884	5.4
-164.15504899	53.7033422535	5.4
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-164.1827	53.7155044776	5.4
-164.196882239	53.7283140845	5.4
-164.196901942	53.7532859155	5.4
-164.1827	53.7661140141	5.4
-164.1577	53.7778898594	5.4
-164.155070918	53.7782577465	5.4
-164.1327	53.781107235	5.4
> 6.3 contour -Z6.3
-164.1577	53.7645169105	6.3
-164.1327	53.7688977321	6.3
-164.1077	53.7645154855	6.3
-164.088767638	53.7532859155	6.3
-164.088783708	53.7283140845	6.3
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-164.176636489	53.7532859155	6.3
-164.1577	53.7645169105	6.3