In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['t', 8741, 881, 'F', 2797, 's', 's', 'd', 'Z', 'q', '9115', '9249', '6517', 'H', '6515', '8737', '10031', '2675', '9105', 'k', 'x', 'a', '6603', 'O', 8081, 695, 'k', 8535, 'A'], [7081, 2951, 'J', 'Z', 'q', '9115', '9249', '6517', 'H', '6515', '8737', '10031', '2675', '9105', 'k', 'x', 'a', '6603', 's', 6045, 5729, 'X', 723]