In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9317, 'w', 4993, 's', 'm', '6813', 'w', '1303', '849', 'k', '6253', '6957', '8725', '6917', 'f', '1977', '6293', '2107', 'Z', '3307', 't', '2617', 'D', 'b', 'l', '8713', 'P', 'C', 'T', 'n', 'm', 3279, 'p', 5809, 'R', 103, 'q', 7037], ['w', 'y', 1757, 'P', 5339, 'v', 2295, 'J', 'D', 6391, 4415, 3971, 2739, 's', 'm', '6813', 'w', '1303', '849', 'k', '6253', '6957', '8725', '6917', 'f', '1977', '6293', '2107', 'Z', '3307', 't', '2617', 'D', 'b', 'l', '8713', 'P', 'C', 'T', 't', 583, 2855, 'n', 't', 7281, 5103, 'E', 3181, 3639, 'G', 'c', 4007, 'H', 'v', 8375, 'j', 'I', 'r', 'l', 9621, 'X', 1885, 4309]