In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5785, 's', 'E', 'n', 1173, 9267, 5511, 8581, 't', 4725, 'x', 2549, 'W', 'O', 799, 'C', '5143', 'j', 'x', 'C', '7893', '835', '4429', '4993', 'l', 'h', 'R', 'U', '3559', 'M', 'Z', '3103', '2445', '9265', 'x', 'y', 'V', 'U', 'w', 9047, 'F', 5973, 6129], [4999, 2079, 5861, 3709, 'E', 'X', 'w', 3345, 5789, 7443, 7745, 'H', 'f', 'j', 'r', 'x', 'A', 4063, 2517, 'd', 995, 'C', '5143', 'j', 'x', 'C', '7893', '835', '4429', '4993', 'l', 'h', 'R', 'U', '3559', 'M', 'Z', '3103', '2445', '9265', 'x', 'y', 'i', 'L', 'v']