In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Z', 4345, 'b', '1599', 'Y', 'L', 'f', 'V', '8555', 'M', 'w', 'o', '2321', 'l', '5249', '7181', '3589', '1181', 'G', 'H', 'U', 'L', '8485', '425', '6511', 'm', 791, 7401, 4541], ['u', 'e', '1599', 'Y', 'L', 'f', 'V', '8555', 'M', 'w', 'o', '2321', 'l', '5249', '7181', '3589', '1181', 'G', 'H', 'U', 'L', '8485', '425', '6511', 'q', 8957, 3635, 'T', 'v', 6839, 's', 7991, 'U', 'C']