In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6161, 9929, 'e', 2649, '8399', 'W', 'G', 'l', '3443', 'W', 'F', 'J', 'g', 'r', 'R', '41', 'c', 'c', '87', 'N', '7757', '2641', 'Z', 'v', 'g', '1365', 'R', '6435', 'J', 'Y', 3203, 5389], ['x', 'p', 7335, 4343, 'R', 6755, 'Q', 8319, 'N', 4111, 'a', 'M', 'n', 5739, 'j', 3435, 'J', 6645, 'O', 4833, '8399', 'W', 'G', 'l', '3443', 'W', 'F', 'J', 'g', 'r', 'R', '41', 'c', 'c', '87', 'N', '7757', '2641', 'Z', 'v', 'g', '1365', 'R', '6435', 'P', 'q', 549]