In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'a', 2201, 'J', 7141, 'M', 6675, 7209, 'W', 'j', 439, 6099, 5929, 6485, 't', 7775, 'a', 3091, 'X', 'i', 'T', 'M', '9643', 'K', 'R', 'N', 'C', 'K', '2177', '7037', '2661', '8165', 'g', 'Q', '3515', 'y', 'z', 'M', 'P', 'm', 'H', 'F', 19, 'w', 'Q', 4803, 3253, 'H', 'q', 2603, 'F', 1383, 's', 'N', 'T', 'l', 'S', 9565, 6509], ['E', 'l', 'b', 5653, 8325, 'D', 'W', 9427, 'H', 3323, 'x', 6239, 'r', 'T', 'M', '9643', 'K', 'R', 'N', 'C', 'K', '2177', '7037', '2661', '8165', 'g', 'Q', '3515', 'y', 'z', 'M', 'P', 'm', 'H', 'c', 3071, 6895]