In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1271, 2603, 'Z', 'o', 8255, 3199, 7059, 'm', 1539, 9321, '3505', '5411', '9667', 'G', 'F', 'D', '1527', 'C', 'w', '6729', 'W', '3863', '9591', '473', '8633', '2315', '2853', '5321', '707', '535', '933', 'x', 'H', 'b', 'i', 5865, 'M', 'v', 5873, 'M', 2323, 6101, 4815, 'E', 8383, 'Z', 1083, 8243, 's'], ['c', 'e', 7693, 1461, 'c', 'C', 3105, 'a', 's', '3505', '5411', '9667', 'G', 'F', 'D', '1527', 'C', 'w', '6729', 'W', '3863', '9591', '473', '8633', '2315', '2853', '5321', '707', '535', '933', 'x', 'H', 'L', 4341, 965, 'm', 'w', 9709, 'j', 'C', 'c', 3953, 'y', 'Y', 3155, 'E', 3495, 6813, 'P']