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89 is equivalent to 1618
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Related: 16/9 and 16/18 8/9 and 32/18 8/18 and 16/18 8/9 and 16/36 24/9 and 16/18 8/9 and 48/18 8/27 and 16/18 8/9 and 16/54 40/9 and 16/18 8/9 and 80/18 8/45 and 16/18 8/9 and 16/90 56/9 and 16/18 8/63 and 16/18
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