In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['F', 4567, 1123, 9713, 'q', 3599, 7435, 'b', 2089, 8807, 5645, 'c', 'e', 'x', 'i', 'H', 'z', 'h', 'J', 'M', '8155', '4587', '1053', '1869', 'h', 'B', 'A', '4177', 'p', 's', 'S', 'y', '8229', 'g', '3375', '7957', '4697', '5943', 'u', 6501, 5491, 9445, 237, 'O', 'T', 6641, 'W', 427, 'X', 4581], ['b', 87, 'M', 1595, 'f', 3449, 8783, 319, 'f', 8025, 'j', 'M', '8155', '4587', '1053', '1869', 'h', 'B', 'A', '4177', 'p', 's', 'S', 'y', '8229', 'g', '3375', '7957', '4697', '5943', 'W', 6907, 4279, 'T', 'r']