In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'p', 'F', 'I', 'P', 7471, 5631, 4753, 'h', 6307, 'q', 'O', 't', 6215, 35, 6569, 'E', 'Z', '5669', 'k', '6941', '4419', 'R', '1981', 'S', '3405', 'W', '5427', 'd', 'o', 'o', 'n', 'I', '265', '5851', '2863', '9763', '8947', '1365', 'd', 'Q', 'c', 'g', 'G', 'C', 'n', 'L', 'M', 1639, 'k', 2097, 5943, 2293], ['q', 6931, 1265, 'm', 6865, 7839, 4965, 'n', 'I', 'Z', 'U', 'R', 8065, 5933, 'm', '5669', 'k', '6941', '4419', 'R', '1981', 'S', '3405', 'W', '5427', 'd', 'o', 'o', 'n', 'I', '265', '5851', '2863', '9763', '8947', '1365', 'd', 'Q', 'c', 'y', 'F', 'M', 2541, 'G', 'X', 'Y', 1989, 'C', 'O', 1069]