In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['f', 'P', 'z', 9245, 'g', 617, 9941, 187, 'a', 701, 'C', 'Q', 'X', 'B', 'N', '221', '3569', '1707', '9167', '3435', 'q', 'v', '2941', '1153', '7111', '9213', '7891', 'm', '9021', '7885', 'u', 'V', '7151', 'T', 'r', 's', '121', 'q', '3211', '4415', 'X', 'z', '661', 'O', '6287', 'C', 'i', 'C', 'X', 7125, 'B', 'I', 8749, 'G', 3517, 41, 9299, 5649, 669, 2885, 6833, 'J', 9355, 'H', 3415, 'M', 7181, 8165], [5267, 6371, 'V', 'r', 'k', 6685, 'J', 7749, 363, 9509, 1375, 'K', 3547, 'U', 'N', 9401, 'n', 1041, 'G', 6767, 8095, 'B', 'Q', 1865, 'y', 'B', 2447, 'z', 'z', 827, '221', '3569', '1707', '9167', '3435', 'q', 'v', '2941', '1153', '7111', '9213', '7891', 'm', '9021', '7885', 'u', 'V', '7151', 'T', 'r', 's', '121', 'q', '3211', '4415', 'X', 'z', '661', 'O', '6287', 's', 2771, 'Q', 4389, 'u', 'b', 'f']