In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['e', 'p', 'a', 'y', 'f', '8023', 't', '9363', 'e', '4997', '8657', 'A', '9541', '851', 'q', 'T', 'B', 8919, 'H'], [7021, 'x', 6101, 't', 8679, 5987, 'X', 'L', '8023', 't', '9363', 'e', '4997', '8657', 'A', '9541', '851', 'q', 'T', 'G', 9503, 3377, 'T', 7897, 'o', 6685, 7561, 899, 'E', 'q']