In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6553, 1205, 'q', 9047, 1581, 5479, 'k', 'w', 'J', 9991, 'n', 7461, 'R', 'b', 'A', 'o', 'k', 'K', 'M', 655, 7065, '8765', 'L', '2617', 'I', '8143', '2881', 'u', 'Y', '6555', '1909', '3155', '261', 'X', 'O', '5783', '9893', '1581', 'c', 'w', 'F', 'b', '6897', '2487', '2317', 'E', 'X', '6877', 'H', 6889, 541, 9943, 'q', 3601, 'K', 'W', 4337, 'a', 1917, 9139, 'r', 'd', 'l', 'V'], ['Z', 'W', 'k', 7009, 6595, 4031, 2141, '8765', 'L', '2617', 'I', '8143', '2881', 'u', 'Y', '6555', '1909', '3155', '261', 'X', 'O', '5783', '9893', '1581', 'c', 'w', 'F', 'b', '6897', '2487', '2317', 'E', 'X', '6877', 'Q', 2627, 4279, 1707, 1487, 5965, 'i', 'A', 'T', 7231, 'y', 'e', 'a']