In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['T', 'r', 5227, '2291', '5945', '1249', 'y', '2893', '595', 'Y', '4025', '2297', 'V', 'K', '4711', 'm', 'k', 'u', '5647', '6205', 'f', 'a', 'L', '6085', 'y', 'o'], [1999, 'N', 123, 5363, 'u', 3099, '2291', '5945', '1249', 'y', '2893', '595', 'Y', '4025', '2297', 'V', 'K', '4711', 'm', 'k', 'u', '5647', '6205', 'f', 'a', 'L', '6085', 'H', 9199, 2435, 'F', 'B', 'Z', 'o', 'n', 'S', 'l', 6989, 'F']