In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'a', 1887, 8341, 'l', 'F', 'T', 's', 3473, 5763, 1319, '951', '4821', 'z', 'T', 'l', '8477', 'J', 'N', 'z', 'G', 'k', 'O', 'i', 'b', 1739, 9533, 'Q', 7003, 6575, 'x', 5685, 'P', 4157, 'J'], ['u', 907, 'y', 'U', 4095, 'X', 'V', 'A', 1119, '951', '4821', 'z', 'T', 'l', '8477', 'J', 'N', 'z', 'G', 'k', 'O', 'i', 'x', 3095, 'X', 4831]