In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8569, 7267, 'K', 'd', 'r', 'c', 3275, 'z', 9047, '9949', '8151', 'Z', '9629', '8511', '6149', '7353', 'q', '2045', 'I', '6853', '6083', '3473', 'i', 'u', 'Y'], ['C', 'U', 'C', 3671, 9919, 9357, 'L', 'x', 'A', 'u', 'y', '9949', '8151', 'Z', '9629', '8511', '6149', '7353', 'q', '2045', 'I', '6853', '6083', '3473', 'i', 's', 'B', 5483]