In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2087, 'G', 1107, 'x', 'Q', 5747, 9961, 8063, 8983, 7577, 4321, 3299, 9047, 5551, 9957, 'X', 1051, 'i', 'D', 'f', 'V', '9757', '6407', '4629', '9103', 'b', '9591', '5859', 'L', 's', '4293', '4083', 'n', '2899', 'y', '2077', 'p', 'o', 'K', '3327', 'e', 'C', 921, 'Z', 2573, 901, 'B', 'u', 2853, 3271, 's', 2083, 6063, 'X', 'r', 7843, 7585, 6391], [8573, 'V', 1861, 3367, 3335, 's', 'P', 'f', 'V', '9757', '6407', '4629', '9103', 'b', '9591', '5859', 'L', 's', '4293', '4083', 'n', '2899', 'y', '2077', 'p', 'o', 'K', '3327', 'i', 7683, 779, 7685, 1417, 'k', 4473, 9477, 8341]