In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'N', 5203, 3681, 'T', 'Y', 201, 1279, 4905, 'C', 'h', 'M', 'h', 3967, 'v', 'B', 'i', 'x', '4687', '2815', 'u', '7273', '4839', '801', '247', '5813', 'A', 'C', '8303', 'E', 'T', 'O', 'c', 'w', 6911, 'W', 'y', 5459, 973, 1977, 7959, 7493, 4669, 'L', 6791, 'v', 9613], [2109, 'E', 'm', 6403, 7879, 'T', 'T', 1073, 'y', 'U', 5207, 'k', 9621, 3093, 7377, 'i', 'x', '4687', '2815', 'u', '7273', '4839', '801', '247', '5813', 'A', 'C', '8303', 'E', 'T', 'O', 'c', 'i', 'o', 'j', 4075, 'd', 189, 9753, 4247, 3337]