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23 - 18 is 1324.
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Related: 4/3-1/8 2/3-2/8 2/6-1/8 2/3-1/16 6/3-1/8 2/3-3/8 2/9-1/8 2/3-1/24 10/3-1/8 2/3-5/8 2/15-1/8 2/3-1/40 14/3-1/8 2/3-7/8 2/21-1/8 2/3-1/56
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