In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['K', 749, 'M', 'L', '7883', 'q', '6025', 'A', 'r', '4825', '3579', 'T', '3689', 'L', '4317', 'c', 'q', 'I', '5781', 'K', 'g', 'x', '705', 'R', 'R', 'X', '6329', '875', 'U', 6977], ['j', 3665, 'V', 4121, 'H', 865, 'E', 'R', 1319, 2369, 'b', 1935, 4305, 'A', 1415, 8393, 7481, '7883', 'q', '6025', 'A', 'r', '4825', '3579', 'T', '3689', 'L', '4317', 'c', 'q', 'I', '5781', 'K', 'g', 'x', '705', 'R', 'R', 'X', '6329', '875', 'N', 193, 7579, 'E', 745, 2913, 'I', 699, 'q', 1495, 169, 165, 'P', 3533, 9241]