> 2 contour
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> 4 contour
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-27.0419	-60.0158	4
-26.9585	-59.9766	4
-26.9534	-59.9751	4
-26.8752	-59.947	4
> 6 contour
-26.8752	-60.0249	6
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-26.7085	-59.9946	6
-26.6252	-60.008	6
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-26.9585	-60.1093	6
-26.9438	-60.0751	6
-26.8758	-60.0251	6
-26.8752	-60.0249	6
> 8 contour
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> 10 contour
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-26.8353	-60.1251	10
-26.7919	-60.0819	10
-26.7822	-60.0751	10
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> 12 contour
-26.7085	-60.075	12
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-26.6359	-60.1251	12
-26.7041	-60.1751	12
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-26.7132	-60.1751	12
-26.7867	-60.1251	12
-26.7087	-60.0751	12
-26.7085	-60.075	12