In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7259, 7991, 747, 9685, 179, 'd', 'R', 'U', 1, 8539, 8211, 'x', 3267, 'G', 6949, 'd', 4669, 2513, 9299, 'U', 3391, 'd', 2085, 4809, 667, 1829, 'T', 'X', 'n', '8149', '2033', '2935', 'O', '7935', '8329', 'B', 'W', '6541', '7815', 'L', '2747', '1827', '55', '4541', '501', 'p', 'H', 'b', 'w', '7975', 't', '8289', 'c', 'L', 2367, 9139, 'h', 7909, 5299, 'a', 'a', 'L'], [137, 'J', 'u', 'T', 'X', 'n', '8149', '2033', '2935', 'O', '7935', '8329', 'B', 'W', '6541', '7815', 'L', '2747', '1827', '55', '4541', '501', 'p', 'H', 'b', 'w', '7975', 't', '8289', 'c', 7569, 1615, 'N', 'T', 'Z', 'B', 'f', 4425, 'M', 'l', 'V', 'h', 6025]