In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[603, 'F', 'm', 4811, 4993, 'M', 'A', 3777, 7633, '1609', 'o', 'T', '487', 'B', '8257', '7751', '8513', '2943', 'C', '4121', 'G', '1845', 'j', 'u', 'E', '2777', '9675', '4755', '5831', '4395', '2205', '523', 'W', 'Q', '9437', '6757', 'G', 'F', '8537', 'C', 'X', 7563, 'c', 6599, 'F', 'd', 'n', 'T', 6863, 9697, 5085, 'l', 'x', 'g', 4701, 6343, 'C', 4129, 'N', 'y', 'R', 877, 'f', 'p', 413, 'R', 'r'], ['G', 2241, 1305, 5475, 7401, 2821, 1107, 8273, 'q', 'f', 8593, 687, 'V', 'p', 2531, 601, 4597, 'w', 'W', 5017, 'U', 'l', 9537, 'K', 'O', 6431, 3329, 'q', '1609', 'o', 'T', '487', 'B', '8257', '7751', '8513', '2943', 'C', '4121', 'G', '1845', 'j', 'u', 'E', '2777', '9675', '4755', '5831', '4395', '2205', '523', 'W', 'Q', '9437', '6757', 'G', 'F', '8537', 'x', 'e', 'W', 'e', 8507, 'R', 'j', 4253, 2505, 7949, 5645, 'S', 95, 4095, 'h', 'p', 9099, 'W', 'G', 8391, 'u', 10021, 'k', 'W', 'c']