In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 'v', 3245, 'v', 9635, 'j', 2821, '6619', 'W', '2611', 'B', '2983', '4653', 'Z', '5001', '8149', '1093', 'q', '1029', 'K', 'e', 'F', '5385', 'z', 'C', 'p', 'E', 'R', '3611', 'y', '9179', 'E', 7935, 5803, 351, 6173, 'p', 6975, 7377, 'r', 7651, 'C', 6599, 4059, 'O', 'U', 'v', 8129, 'w', 'Y'], [3491, 6797, 6719, 'T', 'M', 4017, 5253, 3691, 8231, 8859, 'd', 5213, 'R', 'm', 'o', 'a', 7061, 'x', 'u', 'J', 4015, '6619', 'W', '2611', 'B', '2983', '4653', 'Z', '5001', '8149', '1093', 'q', '1029', 'K', 'e', 'F', '5385', 'z', 'C', 'p', 'E', 'R', '3611', 'y', '9179', 'K', 'r', 1953, 1635, 8529]