In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['B', 'l', 3933, 691, 9455, 2615, 'U', 'v', 5893, 7595, 'B', 443, 'G', '1667', '6071', '7221', '5077', 'z', '4279', '6125', 'q', '6255', 'f', '8911', '3605', '2055', 'q', '2323', 'Y', 'U', '1405', '7499', 'n', '6291', 'w', 'p', 'S', 'i', '2399', '5055', 'F', 'Q', 'a', 'u', 3133, 'z', 'T', 8259, 417, 8501, 7473, 6071, 'Y', 7819, 8929, 'v', 3551, 'D', 3205, 'N', 2469, 'n', 8299, 'w', 'b', 9937, 3161, 'E'], [2065, 1603, 729, 5021, 3705, 'E', 'i', 4797, 'W', 593, 'V', 813, 5137, 3013, 'q', 25, 7165, 9463, 6089, 'b', 2963, 'x', 2881, 'R', '1667', '6071', '7221', '5077', 'z', '4279', '6125', 'q', '6255', 'f', '8911', '3605', '2055', 'q', '2323', 'Y', 'U', '1405', '7499', 'n', '6291', 'w', 'p', 'S', 'i', '2399', '5055', 'F', 'Q', 'a', 'm', 1417, 'o', 8173, 'C', 'w', 'j', 5657, 'k', 6623, 963, 333, 'F', 'm', 'K']