In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 4415, 'r', 'E', '3669', 'H', 'z', 'q', 3275], [3741, 'Z', 'H', 9579, 'K', 'r', 'E', '3669', 'H', 'z', 'Q', 4767, 2539, 'T', 'b']