In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 9669, 7411, 'p', '1393', 'I', '9013', 'g', 'V', 'e'], ['R', 8567, 2001, 'p', '1393', 'I', '9013', 'p', 'd']