In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[875, 'e', 177, 'U', 's', 'a', 3341, 'f', 3631, 'E', 2465, 247, 'D', 'l', 's', 1729, 5385, 1511, 'b', 'Q', 3577, 3661, 1717, 2527, 'L', 1113, 'H', 'T', 'a', 'e', 'E', '5103', 'V', '3271', '4657', 'g', 'A', '2349', '8717', 'q', 'F', 'H', 'E', '97', '9355', 'I', '5297', '8691', '249', 'd', '3503', 'X', 'M', 'D', 'v', 'Z', '5553', 'L', 'n', 5603, 3385, 'F', 7061, 'W', 3011, 8669, 'v', 179, 5753, 271], [5071, 9759, 'q', 'n', 'S', 'a', 'e', 'E', '5103', 'V', '3271', '4657', 'g', 'A', '2349', '8717', 'q', 'F', 'H', 'E', '97', '9355', 'I', '5297', '8691', '249', 'd', '3503', 'X', 'M', 'D', 'v', 'Z', '5553', 'L', 'z', 877, 'Z', 'y', 1721, 7411, 'F', 3359, 9895, 'r', 'u', 4327, 'c', 1217, 563, 4909, 9981]