In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 9937, 2685, 'e', 'x', 5153, 'v', 's', 8289, 'n', '3995', '3339', 'R', 'A', 'v', '9609', 'p', '1661', 'V', '3425', 'M', 'J', 'N', '2167', 'a', 'X', 9085, 7365, 'b', 'U', 7111, 'm'], ['H', 'V', 't', 65, 'A', 8223, 'M', 's', '3995', '3339', 'R', 'A', 'v', '9609', 'p', '1661', 'V', '3425', 'M', 'J', 'N', '2167', 'y', 9467, 8179, 's', 'O', 'J', 6129, 'O', 'z']