Do not click on this unless you have already attempted the Cheryl b-day problem. How to get the answer by @kchangnyt http://nyti.ms/1PIkRld
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Replying to @NYTScience
@nytimesscience@kchangnyt what are you talking about?1 reply 0 retweets 0 likes
Replying to @ProjectM_2014
@ProjectM_2014 Go here first: http://nyti.ms/1PIgXss
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