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AR 0-0.25 (Upright=0.25)
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AR 0.25-1 (Upright=0.5)
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AR 1-1.25 (Upright=0.67)
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AR 1.25-2 (Upright=0.75)
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AR 2-2.25 (Upright=0.85)
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AR 2.25-4 (Upright=1)
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AR 4-4.5 (Upright=1.25)
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AR 4.5-5 (Upright=1.5)
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AR 5+ (Upright=1.75)
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