> 0.1 contour
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> 0.2 contour
-174.621	51.4	0.2
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> 0.3 contour
-174.51	51.4	0.3
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> 0.4 contour
-174.438	51.4	0.4
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-174.167	51.45	0.4
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-174.143	51.4	0.4
> 0.5 contour
-174.39	51.4	0.5
-174.388	51.4023	0.5
-174.376	51.425	0.5
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-174.226	51.45	0.5
-174.213	51.4387	0.5
-174.202	51.425	0.5
-174.19	51.4	0.5
> 0.6 contour
-174.356	51.4	0.6
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-174.313	51.4393	0.6
-174.288	51.4448	0.6
-174.263	51.4392	0.6
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-174.238	51.4214	0.6
-174.222	51.4	0.6