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Palindrome

Palindromes are numbers that reads the same forward as it does backward. For example, $1,221; 399,999,993$ are both palindromes. Related Problems:

2014 AMC 12 Problem 15: http://www.artofproblemsolving.com/wiki/index.php?title=2014_AMC_12A_Problems/Problem_15

2013 AMC 12 Problem 22: http://www.artofproblemsolving.com/wiki/index.php/2013_AMC_12A_Problems/Problem_22

2010 AMC 12 Problem 11: http://www.artofproblemsolving.com/wiki/index.php/2010_AMC_12B_Problems/Problem_11

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