In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3423, 'w', 3793, 'r', '7895', '1741', 'c', '3243', '5341', 'H', '773', '9227', 'l', 3359, 1477, 'E'], ['S', 'z', 8993, 'r', '7895', '1741', 'c', '3243', '5341', 'H', '773', '9227', 'e', 'k', 7319, 4259, 'o', 6587, 'd', 6817, 'o']