In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4837, 'e', 'd', 3717, 3245, 'j', 'A', '5181', 'i', 'X', 'h', 'J', 'h', 'S', 801, 5829, 3309], ['K', 'j', 'L', 'N', 4449, 5349, 'A', '5181', 'i', 'X', 'h', 'J', 'c', 7035, 533, 5903, 'n', 'e']