In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['A', 7015, 1349, 7339, 9297, 2807, 8667, '5043', '4813', '2023', '4665', 'V', '3657', 'Y', 'b', 't', '2927', '1379', '3339', 'W', '8169', 'v', 'c', '4355', '7851', 'L', 7229, 'S', 'q', 'N', 6827, 'U', 4061, 8915, 5413, 5741, 7779, 3807, 'A', 'F'], ['v', 'x', 'L', 'i', 's', 'a', 299, 't', 'k', 6961, 'T', '5043', '4813', '2023', '4665', 'V', '3657', 'Y', 'b', 't', '2927', '1379', '3339', 'W', '8169', 'v', 'c', '4355', '7851', 'X', 1287, 5239, 9195, 'W', 'q', 4279]