Actually, we should split the difference and go with 27.
Spoiler for missed symmetry
Good one, Prime! Those two are in fact the same. The drawing certainly helps to see it.
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Guest Message by DevFuse
Best Answer Prime, 15 March 2013 - 02:31 PM
Actually, we should split the difference and go with 27.
Spoiler for missed symmetry
Go to the full post
11 replies to this topic
#11
k-man
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Posted 15 March 2013 - 02:50 PM
#12
bonanova
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bonanova
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Posted 18 March 2013 - 04:53 AM
Someone posed this problem to me, and I tried several ways to count cases and finally gave up.
This prize is a cooperative sharing of k-man and Prime, but I can mark only one post.
So I marked the post that got the final count.
Good job both!
The greatest challenge to any thinker is stating the problem in a way that will allow a solution.
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- Bertrand Russell
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