In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['O', 9275, 4805, 5327, 559, 'J', 'u', 'V', 'Y', 'q', 'D', 'L', '3083', 'G', 'q', 5753, 8057, 2451, 'K', 'q'], ['I', 'R', 9685, 'H', 'T', 'E', 'w', 'V', 'Y', 'q', 'D', 'L', '3083', 'G', 'W', 'f', 9247, 'l']