normal light
diffuse light
very slow
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tracking data

challenge tags
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tracking data

challenge tags
slow
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tracking data

challenge tags
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tracking data

challenge tags
medium
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tracking data

challenge tags
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tracking data

challenge tags
fast
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tracking data

challenge tags
jpg images

tracking data

challenge tags
very fast
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tracking data

challenge tags
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tracking data

challenge tags
increasing
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tracking data

challenge tags