In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4699, 807, 6219, 'b', 6483, 'y', 'r', 7837, 8903, 3581, 3885, 947, 'T', 8601, 'C', 2257, 'i', '1443', '5921', '1099', 'c', 'n', '2775', '7083', '3573', '7413', '9769', 'Q', 'U', '5001', '3131', 'A', '8793', '4477', 'O', 'F', 77, 8521], [1195, 'w', 'S', 'x', 'h', 1227, 8711, 'D', 'B', 'i', 7267, 'v', 'X', 'i', 'p', 2499, 'X', 'i', '1443', '5921', '1099', 'c', 'n', '2775', '7083', '3573', '7413', '9769', 'Q', 'U', '5001', '3131', 'A', '8793', '4477', 'O', 'b', 'Q', 'K', 'k', 6101, 1555, 'G', 4723]