In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'V', 'd', 9335, 'e', 'L', 'B', '9339', '851', 'R', 'E', '6795', '4765', '6229', '665', 'o', '7363', 'C', '9151', 'B', 'S', '3049', '695', 'k', '6917', '1883', 'e', '10005', '9075', '9647', '1443', 'v', 'R', 'K', '1871', 'b', 'j', 1301, 'R', 8915, 'f', 'Y', 3383, 'g', 4663, 'v', 8927, 'Q'], [7501, 'A', 2477, 'B', '9339', '851', 'R', 'E', '6795', '4765', '6229', '665', 'o', '7363', 'C', '9151', 'B', 'S', '3049', '695', 'k', '6917', '1883', 'e', '10005', '9075', '9647', '1443', 'v', 'R', 'K', '1871', 'b', 'U', 2677, 'b', 'E', 'I', 'o', 'A', 'I', 8681, 5123]