In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['G', 7037, 3997, 'F', 'g', 'k', 815, '1373', 'y', '9083', '6443', '4547', 'Z', '8609', '6453', '10019', 'J', 'D', 'M', 'U', 'Y', '2709', '1271', 'X', 'x', '2755', '4385', 'G', 'V', 5929, 7183, 'J', 8159, 'l', 1263, 3577, 'F', 'k', 'P', 9821, 1665, 'h', 7069, 'V', 5207, 'O', 8047], ['e', 'K', 7915, 9627, 3387, 'b', 2023, 'O', 'o', 6233, 1193, 1929, 'J', 'v', '1373', 'y', '9083', '6443', '4547', 'Z', '8609', '6453', '10019', 'J', 'D', 'M', 'U', 'Y', '2709', '1271', 'X', 'x', '2755', '4385', 'I', 3619, 'k', 8167, 'h', 'S', 'y', 'i', 'r', 'r', 3245, 'J']