In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8467, 2161, 5219, 'u', 4155, 'g', 6875, 2595, '8097', 'u', '6517', 'C', 'm', '4527', '2689', '5513', '7291', 'T', 'l', 'w', '5569', '3687', '6911', 'B', '6949', 'T', '23', '2085', 'W', 'G', 'Z', 'X', '6259', '375', '7789', 'l', '9771', 'O', 241, 1905, 'r', 'o', 'e', 'W', 9683, 'N', 'd', 'V', 3147, 'S'], ['K', 'D', 3729, 'G', 9343, 1779, 'w', 2853, 9297, 'i', 1953, 't', 9389, 'G', 5199, 4117, 8555, 6359, 'r', 'Q', 'o', 'A', 6289, 'Y', 6093, 3771, '8097', 'u', '6517', 'C', 'm', '4527', '2689', '5513', '7291', 'T', 'l', 'w', '5569', '3687', '6911', 'B', '6949', 'T', '23', '2085', 'W', 'G', 'Z', 'X', '6259', '375', '7789', 'l', '9771', 'x', 459, 505, 9787, 'c', 'Q', 'n', 'a', 'q', 4033, 5581, 7905, 'e']