In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1065, 'K', 't', 'Y', 6939, 'J', 'l', 7455, 'x', 4081, 1271, 'K', 'o', '8143', 'E', '1373', '6655', '5419', 'y', '7265', 'l', 'X', 't', '757', 'e', 'n', 'C', 'I', 'U', 7399, 5343, 5851, 5881], [6227, 8903, 9763, 2277, 2919, 's', 2799, 'w', 349, 203, 7197, 'i', 'K', 'o', '8143', 'E', '1373', '6655', '5419', 'y', '7265', 'l', 'X', 't', '757', 'e', 'n', 'C', 'm', 'H', 4877, 3945, 'B', 3495, 'H', 'O', 'a', 'Q', 'J']