In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['c', 'O', 1101, 8021, 2701, 'R', 'T', 9521, 'R', '9541', 'H', 'Z', 'O', 'U', 'Y', '457', '5765', 'y', 'U', 'O', 'I', '8965', 'U', 2133, 4941, 'k', 'I', 'X', 3669, 'X', 4315, 'Q', 5763, 'F'], [4267, 8531, 9517, 'Q', 7557, 1473, 6619, 189, 'T', 'j', 'G', 6653, 'R', '9541', 'H', 'Z', 'O', 'U', 'Y', '457', '5765', 'y', 'U', 'O', 'I', '8965', 'd', 3621, 5547, 'd', 2253, 777, 6139, 9213, 'l', 'd', 9975, 'z', 'F', 'E']