In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[319, 5047, 4485, 'f', 'V', 'X', 909, 3565, 6825, 'B', 'q', 4383, 'z', 'M', 'h', 9893, 4309, 2897, 3643, '6115', 'g', 'C', 'x', 'N', 'X', 'S', 'M', 'X', 'm', '7295', 'U', 'w', '3431', 'O', '9633', '7341', '6597', '8105', 'n', 'e', 'h', 'L', 5769, 'D'], [1933, 9615, 'M', 1437, 'U', 5585, 'T', 'o', 'I', 9663, 2201, 9749, 2689, 'L', 'H', 617, 'K', 9057, 'w', '6115', 'g', 'C', 'x', 'N', 'X', 'S', 'M', 'X', 'm', '7295', 'U', 'w', '3431', 'O', '9633', '7341', '6597', '8105', 'n', 'e', 'e', 'q', 'z', 'l', 2911, 'x', 'v', 9771]