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How many primes?
i'm stuck
where are the problems?
i ,-i and prime numbers
Leaving and entering
Zebramatic trails - discussion
Wed, 01/16/2008 - 14:56 — luke
Z
E E
B B B
R R R R
A A A A A
There are five letters on the bottom row, so there are five ways to do it. Am I right?
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