In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3559, 8605, 'P', 'e', 9115, 7015, 801, '2181', 'J', 'J', 'L', 'F', '2793', 'k', '8793', 'E', '5035', '179', 'r', 'c'], [4283, 'y', 6191, 'd', 'M', 79, 1695, '2181', 'J', 'J', 'L', 'F', '2793', 'k', '8793', 'E', '5035', '179', 'X', 'o', 2715, 'H']