In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['j', 'z', '6777', 'D', 'O', 'y', 'p', 'Q', '5687', '8357', 'R', '9315', 'x', '6909', 'u', 'U', '5571', 'x', 'g', 'n', '2477', 'M', 'a', 'o', '1745', 'J', 'U', '1249', 'V', 2519, 7885, 'p', 1055, 2203, 5747, 9563, 'r', 'i', 7985, 'S', 4551, 'e', 'a', 'g', 1115, 'r', 1593, 1395, 3181], [2027, 7791, 875, 'm', 'B', 9085, 6011, 'e', 'u', 'N', 'G', 'Y', 'a', 9673, 1435, 4073, 1117, 7285, 'e', 4609, 6159, 'B', 'i', '6777', 'D', 'O', 'y', 'p', 'Q', '5687', '8357', 'R', '9315', 'x', '6909', 'u', 'U', '5571', 'x', 'g', 'n', '2477', 'M', 'a', 'o', '1745', 'J', 'U', '1249', 'f', 'U', 'S', 'R', 'G', 'R', 'F', 5581, 127, 2109, 621, 1769, 7739, 5105, 5339, 5569, 2225, 'F', 7495, 2091, 293, 6287, 4253, 't']