In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8737, 7171, 'Z', 'S', 9245, 'V', 7521, 'b', 'U', 'f', 2943, 8067, 'x', 'k', '1499', '5873', 'W', '4535', '8923', 'T', 'P', '1669', '9419', 'a', '6709', '95', 'o', '711', 'e', 'g', 'T', '2445', 'P', '6021', 'T', 'B', 'K', 853, 9181, 'e', 2961, 'o', 'i', 7959, 'R', 1105, 'x', 'W', 627, 10009, 3985, 'Z', 'g'], ['j', 4589, 'N', 3299, 'P', 's', 'W', 'k', '1499', '5873', 'W', '4535', '8923', 'T', 'P', '1669', '9419', 'a', '6709', '95', 'o', '711', 'e', 'g', 'T', '2445', 'P', '6021', 'T', 'I', 6075, 'N', 'P', 475, 'Y', 1227, 7991, 3477, 4169, 8721, 'E', 'a', 5849, 'a', 'a', 3109, 'T', 9429, 8887, 7509]