In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2517, 2247, 'd', 'E', 'c', 1921, 'V', 'F', 'k', 61, 761, 'z', 6185, 'S', 5613, 9093, 'D', 'o', 'q', 'y', 2963, 4111, 'T', 5211, '5727', '6737', 'c', 'd', 'J', 'c', 's', 't', '3747', 'Z', '6217', '1643', 'J', '8989', 'X', 'D', '7817', 'q', '2445', 'z', 'A', '6879', '2049', '5361', '677', '3689', 'F', 5383, 3345, 'K', 8301, 3871, 5285, 'B', 7349, 'Y', 'e', 7411, 'P', 6479, 2769, 'B'], [4301, 7967, 7841, 'd', 1609, 1483, 'z', 9929, 'r', 3771, '5727', '6737', 'c', 'd', 'J', 'c', 's', 't', '3747', 'Z', '6217', '1643', 'J', '8989', 'X', 'D', '7817', 'q', '2445', 'z', 'A', '6879', '2049', '5361', '677', '3689', 'u', 'y']