In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['f', 'B', 9183, 'b', 'Z', 2129, 't', 8491, 'g', 'x', '4185', 'b', 't', 'Y', '3243', 'K', 'D', 'O', 'N', '2215', '9007', 'y', 'E', 'M', 'w', 'z', 't'], [9689, 5547, 'Q', 'z', 7229, 9595, 2101, 'j', 'm', 2225, 'X', 7591, '4185', 'b', 't', 'Y', '3243', 'K', 'D', 'O', 'N', '2215', '9007', 'y', 'F', 3853, 4189, 8075]