In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['l', 3699, 6959, 'O', 9693, 'B', 4895, 'n', 3819, 3067, 'N', 'o', 7629, 9161, 'V', '4445', '9671', '3059', 'l', '6765', 'g', 'E', 't', '4443', '3993', 'f', 'c', '3539', 'H', 'e', 'e', 'y', 'E', 'A', '5555', 'l', '1855', '3401', '7479', 'L', 1809, 'b', 'Z', 4485, 'e', 'I', 'Z', 'U', 4171, 9805, 6021, 'M', 4033, 2977, 5327], [6829, 'y', 3793, 1659, 3323, 5485, 'y', 5059, 6905, 9673, 9383, 2601, 'w', 'L', 5591, 'z', 'I', 2419, 6447, 'V', '4445', '9671', '3059', 'l', '6765', 'g', 'E', 't', '4443', '3993', 'f', 'c', '3539', 'H', 'e', 'e', 'y', 'E', 'A', '5555', 'l', '1855', '3401', '7479', 'c', 255, 'W', 967, 'R', 'P', 'm', 2405]