In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['m', 's', 9197, 7579, 6773, 'b', 'G', 2467, 6993, 5427, 1247, 'A', 'H', 'P', 'v', 'q', 2269, 'u', 'N', 'C', '8869', 'k', 'y', 'W', '4991', '7073', '8701', '145', '5741', '3179', '4527', '167', 'd', '4859', '863', 'b', 'k', 'L', '4893', '2421', '5345', '1597', '2559', '7377', 'G', 'L', 'r', 'E', 'b', 5599, 'a', 'X', 9705, 3895, 5559, 'P', 'a', 7429, 'Q', 'm', 9935, 535, 'Z', 'H', 'l', 'V', 789, 2011], [8007, 8713, 6461, 3519, 'I', 6093, 'p', 7627, 6471, 2383, 'e', 'i', 2273, 3525, 955, 'w', 4663, 4061, 2855, 'W', 2931, '8869', 'k', 'y', 'W', '4991', '7073', '8701', '145', '5741', '3179', '4527', '167', 'd', '4859', '863', 'b', 'k', 'L', '4893', '2421', '5345', '1597', '2559', '7377', 'v', 'I', 8471, 'P', 2513, 1899, 'X', 'W', 9265, 625]