> 1 contour
26.6223	-26.7824	1
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26.6223	-26.7824	1
> 2 contour
26.6223	-26.8506	2
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26.7763	-26.9917	2
26.789	-27.0096	2
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26.6223	-27.2449	2
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26.5488	-27.1583	2
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26.5489	-26.9917	2
26.5618	-26.9083	2
26.6223	-26.8506	2
> 3 contour
26.6223	-26.8949	3
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26.7314	-26.9917	3
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26.6223	-26.8949	3