In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 'J', 3009, 'B', 'G', 163, 's', 'J', 'O', 6123, 'B', '1303', 'G', '1575', '9903', 'm', 'r', '6487', 'b', 'l', '1667', '2687', 'D', 'W', 'l', 'c', 'q'], [3689, 1039, 1669, 'K', 1011, 'i', 9225, 'V', 175, 'e', 2621, 4411, 7299, 'B', '1303', 'G', '1575', '9903', 'm', 'r', '6487', 'b', 'l', '1667', '2687', 'D', 'W', 'o', 'A']