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A dollar bill serial number is a 1 0 - character string that starts with a letter from the 1 2 element set { A

A dollar bill serial number is a 10-character string that starts with a letter from the 12 element set
{A, B, C, D, E, F, G, H, I, J, K, L} followed by an 8-digit string (each digit from the set of 10 digits
{0,1,2,3,4,5,6,7,8,9} and ending with a letter or a star from the 25 element set:
{A, B, C, D, E, F, G, H, I, J, K, L, M, N, P, Q, R, S, T, U, V, W, X, Y,*}.
How many serial numbers are palindromes?

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