> 0.1 contour
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-168.308	52.5	0.1
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> 0.2 contour
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-168.37	52.2	0.2
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-168.743	52	0.2
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-168.941	52.2	0.2
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> 0.3 contour
-168.723	52.3752	0.3
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-168.623	52.3831	0.3
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-168.595	52.375	0.3
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-168.548	52.35	0.3
-168.548	52.35	0.3
-168.523	52.3279	0.3
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-168.501	52.3	0.3
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-168.472	52.225	0.3
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-168.477	52.2	0.3
-168.487	52.175	0.3
-168.498	52.1541	0.3
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-168.592	52.075	0.3
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-168.673	52.0632	0.3
-168.698	52.0668	0.3
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-168.727	52.075	0.3
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-168.778	52.1	0.3
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-168.807	52.125	0.3
-168.823	52.1455	0.3
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-168.846	52.2	0.3
-168.848	52.2242	0.3
-168.848	52.225	0.3
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-168.846	52.25	0.3
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-168.826	52.3	0.3
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> 0.4 contour
-168.673	52.3288	0.4
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-168.789	52.2	0.4
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-168.773	52.275	0.4
-168.773	52.275	0.4
-168.748	52.2987	0.4
-168.746	52.3	0.4
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> 0.5 contour
-168.698	52.2778	0.5
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-168.743	52.2	0.5
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-168.743	52.25	0.5
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> 0.6 contour
-168.673	52.2576	0.6
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