In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['D', 591, 'K', 'p', 'R', 'l', 4833, 't', 'P', 4563, 6455, 'Y', '5407', '8247', 'U', '4795', 'G', 'L', '6713', 'K', 'd', '4161', 'l', 'r', '2093', 'J', '9747', 'F', '5623', 'Y', 'm', 'f', 'S', 6629, 'Z', 'Q', 2281, 'X', 'R', 3237, 2169, 6961, 'a', 865], [579, 'Z', 'D', 6053, 2599, 6415, 7811, 'o', 'E', 4465, 365, '5407', '8247', 'U', '4795', 'G', 'L', '6713', 'K', 'd', '4161', 'l', 'r', '2093', 'J', '9747', 'F', '5623', 'a', 'v', 8591, 'X', 'w', 4361, 'F', 1737, 9319, 4887, 'E', 'K', 'A', 9241, 7689, 3869]