In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['l', 6331, 'z', 4483, 's', 'o', 'B', 5911, 'Z', 7845, 8077, 4939, '263', 'N', 'R', '4235', '8371', 'U', 'h', '9593', 'F', '9943', 'U', '3087', '5961', '5627', 'j', '75', 'S', '9865', '6049', '6369', '8995', 'c', '9901', 'I', '1199', '4361', 't', 'q', '363', '4743', 'L', 1143, 'A', 3317, 'd', 1245], [6801, 7833, '263', 'N', 'R', '4235', '8371', 'U', 'h', '9593', 'F', '9943', 'U', '3087', '5961', '5627', 'j', '75', 'S', '9865', '6049', '6369', '8995', 'c', '9901', 'I', '1199', '4361', 't', 'q', '363', '4743', 'Z', 459, 'g', 'w', 'A', 5709, 7987, 'F', 2981, 9387, 3549, 'K', 'U', 4155, 'Z']