In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 7963, 'v', 'b', '7339', '6559', 'I', 'F', '4923', 'F', '133', 'X', 'U', 'C', '9563', 'q', 'U', 5539], ['e', 'N', 'Y', 'm', 2309, 'h', 'h', '7339', '6559', 'I', 'F', '4923', 'F', '133', 'X', 'U', 'C', '9563', 'q', 'm', 'F', 7965, 4233, 1111, 'B', 9269, 'E', 4177, 'Z', 'j', 'S']