In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1055, 'L', 'W', 'z', 'O', 4321, 'H', 'U', '1713', 'z', 'I', 'Q', '9037', 't', 9601, 2421, 'E'], [3359, 'Y', 'H', 'U', '1713', 'z', 'I', 'Q', '9037', 'b', 6005, 6459]