In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3003, 'h', 7303, 7883, 'l', 'T', 9181, 'J', 2393, 'G', 'T', 'w', 'S', 'b', 8273, 'p', 'y', 'c', 'Z', 6953, 589, 2189, 6933, 'L', 'e', 6859, 'A', 'L', 'L', '1257', '7647', '6227', '8287', '5911', 'I', 's', 'L', 'O', '4159', 'k', 'J', '2553', 'X', 'W', 'Y', '9619', 'p', '8205', '5809', 'u', '923', '6907', 'C', '9985', '1009', 'P', 'p', 6535, 3229, 9495, 'L', 4281, 4659, 'c', 7305, 7087, 3987, 'Y', 'Z', 5913, 'b'], ['t', 'D', 'L', 'L', '1257', '7647', '6227', '8287', '5911', 'I', 's', 'L', 'O', '4159', 'k', 'J', '2553', 'X', 'W', 'Y', '9619', 'p', '8205', '5809', 'u', '923', '6907', 'C', '9985', '1009', 'P', 'h', 7171, 4019, 5273, 'H', 6751, 1591, 3455]