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<blockquote data-quote="333 Dave" data-source="post: 877972" data-attributes="member: 3070">I did this with 8 pills and 2 uses of the scale (way back in 4th or 5th grade). Lemme crack at 12 and 3.[CODE]Set two aside. This will be Group A.Divide the remaining 10 into Groups B and C, 5 each.Balance B and C.If B &gt; C,&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //Balance use 1&nbsp; &nbsp; &nbsp; &nbsp; Divide B up into two groups of 2 each and one spare.&nbsp; &nbsp; &nbsp; &nbsp; Balance B1 and B2.&nbsp;&nbsp; //Balance use 2&nbsp; &nbsp; &nbsp; &nbsp; If B1&gt; B2&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Divide B1 into two groups of one each.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; Balance B1a and B1b.&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; The heavier is the odd one&nbsp; &nbsp; &nbsp; &nbsp; If B2 &gt; B1, repeat above steps&nbsp; &nbsp; &nbsp; &nbsp; If B1 = B2, B3 (the spare when dividing up B) is the odd one.If C &gt; B, do steps for B with C instead.If B == C,&nbsp; &nbsp; &nbsp;&nbsp; Balance Group A's two members. The heavier one is the odd one.[/CODE]</blockquote>

[QUOTE="333 Dave, post: 877972, member: 3070"] I did this with 8 pills and 2 uses of the scale (way back in 4th or 5th grade). Lemme crack at 12 and 3. [CODE] Set two aside. This will be Group A. Divide the remaining 10 into Groups B and C, 5 each. Balance B and C. If B > C, //Balance use 1 Divide B up into two groups of 2 each and one spare. Balance B1 and B2. //Balance use 2 If B1> B2 Divide B1 into two groups of one each. Balance B1a and B1b. The heavier is the odd one If B2 > B1, repeat above steps If B1 = B2, B3 (the spare when dividing up B) is the odd one. If C > B, do steps for B with C instead. If B == C, Balance Group A's two members. The heavier one is the odd one. [/CODE] [/QUOTE]

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