In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['W', 6363, 4923, 4913, 'R', 'j', '7577', '579', 'm', 'w', '9375', 'R', '91', '8715', 'J', 8935, 'q', 'a', 6949, 'C', 'X', 2321], [5191, 'L', 7565, 'R', 'j', '7577', '579', 'm', 'w', '9375', 'R', '91', '8715', 'j', 4133]