In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 8349, 'T', 6463, 't', 'o', 'c', 'I', 4359, 'H', 'S', 2443, 3569, 'E', 6583, '7777', '5971', '1077', '8863', 'G', '213', 'X', '885', '3149', '6497', 'Q', '413', 'U', 'K', '4715', 's', 'V', 8195, 'j', 'd', 'q', 'r', 8753, 'B', 799, 'U', 'W', 8251, 4267, 'F'], ['i', 8167, 7993, 7083, 413, 6833, 5369, 8509, '7777', '5971', '1077', '8863', 'G', '213', 'X', '885', '3149', '6497', 'Q', '413', 'U', 'K', '4715', 's', 'B', 7423, 7057, 2119, 8977, 2671, 6663, 'f', 'x', 2277]