In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 883, 9795, 4785, 'R', 927, 6697, 'Y', 'a', 'V', 'r', 'x', 'D', '4987', 'p', 'O', 'w', 'g', 'U', '3989', '8321', '9091', '3263', '2091', '2505', '1055', '5617', '2913', '9717', '4691', 'e', 'a', 'o', 'O', 'o', 'o', 'k', 5419], ['L', 4127, 'J', 5701, 'u', 'D', '4987', 'p', 'O', 'w', 'g', 'U', '3989', '8321', '9091', '3263', '2091', '2505', '1055', '5617', '2913', '9717', '4691', 'e', 'g', 'e', 'G', 'U', 4361, 'z', 3019, 'l', 6969, 'z', 1821, 8135, 4831, 4315, 'F', 6801, 185]