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The largest palindromic prime in a palindromic prime pyramid of step size two, where each palindromic prime is the smallest palindromic prime that contains the palindromic prime in the row above. Note that "11" mysteriously appears on the ends of row 11, reminding us that all palindromic numbers greater than 11, containing an even number of digits, are divisible by 11.
Submitted: 20021229 13:57:43; Last Modified: 20090720 06:20:07.
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