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A comment on Good puzzle: 12 balls, 1 a diff weight, find in 3 uses of pan balance. Parent comment

Re:Good puzzle: 12 balls, 1 a diff weight, find in 3 uses of... by underwater on Saturday June 25, 2011 @08:17PM (#2697023)
Once you realize you can separate the balls/coins into three groups then both problems are pretty easy to solve.
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