In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 4631, 5973, 9443, 'd', 5581, 7857, 9935, '5907', '9895', 'b', '3353', 'W', 'u', 'z', '4785', 'H', 'Q', 'I', 'Y', '5215', 'w', 'r', 'h', 'P', '5487', 'c', 'F', '3257', 'S', 'g', 'p', '1733', 'G', 'z', 'Y', 991, 'B', 9085, 'T', 9411, 2341, 2485, 's', 'F', 'S', 9179, 9329, 'F', 2215, 'K', 2455, 'J', 'Z'], ['D', 6619, 2283, 'm', 'u', 'U', 6347, 2553, 'J', 'J', 't', 'W', 6075, 2459, 1617, 'I', 5339, 'f', 'd', 857, 'r', 3559, 'D', 4927, '5907', '9895', 'b', '3353', 'W', 'u', 'z', '4785', 'H', 'Q', 'I', 'Y', '5215', 'w', 'r', 'h', 'P', '5487', 'c', 'F', '3257', 'S', 'g', 'p', '1733', 'E', 'X', 4241, 'f', 3175, 2427, 's', 8821, 9367, 8803, 's', 7857, 1119]