In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 'T', 9689, 'i', '8713', 'H', '2863', 'K', 'b', '4699', '7419', 'c', 'i', '2637', 'k', 'b', '425', 'S', 'F', 'D', 6367, 'F', 'B', 3347, 's', 4375, 3395, 'd', 9027, 457], ['C', 5847, 3567, 'U', 'i', '8713', 'H', '2863', 'K', 'b', '4699', '7419', 'c', 'i', '2637', 'k', 'b', '425', 'G', 93, 5389, 4315, 9073, 'p', 5229, 7843, 5871, 8535, 'M', 2767]