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14 - 17 is 328.
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Related: 2/4-1/7 1/4-2/7 1/8-1/7 1/4-1/14 3/4-1/7 1/4-3/7 1/12-1/7 1/4-1/21 5/4-1/7 1/4-5/7 1/20-1/7 1/4-1/35 7/4-1/7 1/28-1/7 1/4-1/49
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