In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['C', 4847, 8191, 'f', 'I', 'S', 6903, 'r', 4483, 'i', 6163, '3045', 'R', 'x', '1423', '3525', '2795', '7529', '4533', 'N', 'V', '10001', 'k', '3341', 'A', 'z', 'q', 'Q', '3393', 'r', 'z', '1771', '8577', '7523', 'J', '43', 'i', 'y', 'a', '1633', 'D', 'H', 5469, 'L', 's', 471, 8417, 6903, 5261, 1413, 4571, 7935], [7961, 'w', 'j', 'j', 'r', 497, 9451, 9379, 7265, 'v', 'P', 7387, 5395, 'T', 8111, 'S', 3701, 3181, 4565, 9567, '3045', 'R', 'x', '1423', '3525', '2795', '7529', '4533', 'N', 'V', '10001', 'k', '3341', 'A', 'z', 'q', 'Q', '3393', 'r', 'z', '1771', '8577', '7523', 'J', '43', 'i', 'y', 'a', '1633', 'r', 'R', 1393, 1153, 'r', 6263, 'C', 'x', 6939, 6609, 2819, 'o', 9257, 7611, 'g', 4495, 'p', 8501, 5697, 263, 7559, 869, 3555]