In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['L', 'L', 7033, 9493, 6885, 'e', 'c', 'N', 8753, '2829', 'N', '7401', 'q', 'S', '4221', 'E', 'y', 'p', '291', '3357', 'T', 'J', 3191, 1417, 8839, 817, 6111, 2519, 'U', 'L', 4183], ['e', 3633, 'z', 'B', 6827, 4775, 'E', 'w', 'J', '2829', 'N', '7401', 'q', 'S', '4221', 'E', 'y', 'p', '291', '3357', 'T', 't', 7919, 'W', 'v', 'M', 5979, 9055, 'M', 6049, 1283, 7253, 2467]