In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['w', 9973, 'J', '3577', '1959', '4075', '1809', 'X', '701', 'T', '2313', '2181', '5255', 'b', 'A', 'l', 'o', 'G', 'N', 's', 'L', '6905', 'R', '2603', 'c', 5009, 1297, 'u', 'a', 'k', 's', 4425], [6265, 4991, 'B', 'j', 'J', '3577', '1959', '4075', '1809', 'X', '701', 'T', '2313', '2181', '5255', 'b', 'A', 'l', 'o', 'G', 'N', 's', 'L', '6905', 'R', '2603', 'E', 3465, 7591, 'n', 'I', 'F', 'U', 'k', 7399, 1131, 9835, 'S', 9447, 2641, 9277, 'N', 5143]