In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 8811, 91, 'B', 'm', '6767', '8345', '591', 'F', '2575', 'g', 1693, 7199, 'P', 8035, 'o'], ['q', 'H', 'V', 'S', 'm', '6767', '8345', '591', 'F', '2575', 'c', 8481, 's', 6093, 'D', 'u']