In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2413, 'l', 'o', 9687, 3939, 6935, '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'z', 'I'], [4625, 6943, 'e', 'B', 'p', 'r', 'y', '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'G', 'L', 8247, 'N', 8965, 8763, 'N', 'p', 7181, 'A', 'J', 'W']