In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 3267, 'o', 'w', 'U', 767, 'W', '2019', '3089', '6889', 'h', 'p', '1809', 'E', '6019', '5437', '2645', 'o', '1047', 'Q', 'U', 'B', 7411], [8247, 'v', 'P', 1527, 1443, 'W', '2019', '3089', '6889', 'h', 'p', '1809', 'E', '6019', '5437', '2645', 'o', '1047', 'P', 2305, 9545, 7907, 3837, 'o', 'z', 8613, 'L', 'l', 'V']