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                                        191 9191919191 9191919191 9191919191
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This smoothly undulating palindromic prime can be viewed as alternating 191 and 919 patterns, each of which are palindromic primes. [Green]

 

  Submitted: 2009-09-27 23:09:43;   Last Modified: 2009-09-28 06:08:41.



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