In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['o', 'R', 3077, 4149, 'n', 7857, 2171, 7399, 'D', 'S', 'r', '3365', 'W', '9795', '10007', '59', 'Y', '261', '5685', 'O', '7465', 'G', '1481', 'D', 'b', 'Q', 4439, 3825, 'n', 5691, 7293], ['Y', 19, 1283, 'G', 'v', 7713, 2183, 'F', 'v', 'Y', 'Q', 2149, 'D', 'S', 'r', '3365', 'W', '9795', '10007', '59', 'Y', '261', '5685', 'O', '7465', 'G', '1481', 'x', 5689]