In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['O', 'x', 'x', 991, 2573, 'u', 'M', 3591, 'x', 9265, 543, 7101, '6333', '4515', '2373', 'o', 'f', 'C', 'b', 'o', 'T', '3509', '9209', 'b', 'S', 'u', 'Y', 'v', 'Z', 'G', 'o', 3699, 'g', 2763, 9889, 7553, 'c', 3105, 9795, 7477, 6575, 3549, 8835], [6341, 'S', 5215, 5059, 'U', 331, 's', 'B', 4929, 1705, 'E', 3763, 'u', 'G', 4699, 'O', 'o', '6333', '4515', '2373', 'o', 'f', 'C', 'b', 'o', 'T', '3509', '9209', 'b', 'S', 'u', 'Y', 'v', 'Z', 'G', 'i', 'q', 43, 5877, 'A', 'O', 6991, 'W', 1339, 4299]