In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9369, 5975, 'W', 'd', 'I', 6029, 3693, 'I', '8101', 'K', '5209', 'l', 'v', 'W', '4841', '6399', 'T', 'F', 'k', '2165', 'w', 'k', 'B', 'o', 'T', 4201, 7599, 'c', 'W'], ['p', 'p', 'L', 'J', '8101', 'K', '5209', 'l', 'v', 'W', '4841', '6399', 'T', 'F', 'k', '2165', 'Y', 'P', 8947, 'q']