In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['b', 7831, 777, 5819, 5901, 's', 's', 4569, 'O', 'q', 'S', 4629, 'h', 3619, '5243', '2803', 'E', 'b', '3743', 'Z', '7331', '5343', 'Y', 'D', '7369', 'm', '3147', 'h', '3477', '2929', '1451', 'x', '9555', 'D', 'e', 3435, 'D', 5959, 'l', 'R', 9253, 441, 1241, 1289, 'f', 9975, 'R', 8129, 2697, 'X', 5547, 7483], ['K', 2583, 'y', 'S', '5243', '2803', 'E', 'b', '3743', 'Z', '7331', '5343', 'Y', 'D', '7369', 'm', '3147', 'h', '3477', '2929', '1451', 'x', '9555', 'D', 'T', 'x', 'X', 'K', 'D', 7031, 'D', 5499, 'T', 7091, 3769]