In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 'h', 2309, 'B', 'L', 1925, 'a', 'i', 'W', 3853, 'Q', 2977, 6985, 'c', 'O', 2667, 't', '2265', 'G', 'X', '2465', '5187', '5723', '9687', 'P', '2777', '2317', '1517', '4107', '8999', 'S', 'e', 'd', 'k', 'R', 'N', 3353, 589, 5237], ['H', 2767, 'o', 4423, 7271, 'H', 'N', 'h', 9955, 'V', 'E', 6371, 2767, 'Y', 3147, 'I', 't', '2265', 'G', 'X', '2465', '5187', '5723', '9687', 'P', '2777', '2317', '1517', '4107', '8999', 'S', 'e', 'j', 'e', 9445, 2221, 'i', 't', 'D', 'O']