In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['p', 'j', 'p', 3253, 'L', 'X', 1755, 4489, 'n', 'V', 7833, 9835, 9139, 't', 3153, 5695, 7775, '6669', 'e', 'm', '5223', '8817', 's', '9893', '9405', 'b', 'c', 'Q', 'd', '7239', 'H', '55', 'f', 'P', 'l', 'O', '65', '2513', '2417', '8039', '7095', 'm', 'n', '3597', 'O', '6129', 'Y', 6177, 'q', 155, 'O', 3591, 'z', 'M', 'Q', 'v', 'e', 4571, 8539], ['K', 'D', 3165, '6669', 'e', 'm', '5223', '8817', 's', '9893', '9405', 'b', 'c', 'Q', 'd', '7239', 'H', '55', 'f', 'P', 'l', 'O', '65', '2513', '2417', '8039', '7095', 'm', 'n', '3597', 'O', '6129', 'N', 'W', 'g', 2189, 'q', 'm', 'x', 3317, 'S', 'K', 'u', 3559, 3153, 'u', 3061]