In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['q', 9607, 2807, 9515, '9031', '8569', '7423', '1373', '9779', 'K', '8961', 'q', '4313', '8459', '1207', 'e', 'm', 'p', 'C', '6447', 'w', 'n', 'x', '1967', 'P', 'w', '8409', 'M', '1477', '9807', 'Z', 'r', 741, 9545, 9287, 'J', 'O', 2251, 5243, 9327, 4519, 'U', 9763, 'p', 8207, 4837, 'a', 'Q', 'l', 8611], ['O', 'F', 1989, 8591, 'n', 8363, 'Q', 'x', 'Y', 'm', 'e', 1601, 989, 'Y', 'j', 'F', 3677, 3349, '9031', '8569', '7423', '1373', '9779', 'K', '8961', 'q', '4313', '8459', '1207', 'e', 'm', 'p', 'C', '6447', 'w', 'n', 'x', '1967', 'P', 'w', '8409', 'M', '1477', '9807', 'o', 'o', 'j', 'f', 2045, 9233, 'c', 7971, 7835, 8479, 'E', 'R', 'C', 'e', 'Q', 7693]