In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 5301, 'm', 'Y', 'A', 3057, 'U', 'K', '971', 'R', 'H', '2265', 'd', 'I', 'V', '7129', 'O', 'D'], ['m', 4509, 'T', 'x', 10003, 'F', 'l', 'a', '971', 'R', 'H', '2265', 'd', 'I', 'V', '7129', 'm', 'N', 2079]