In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['d', 'C', 5669, 'F', 3921, 'C', 'k', 'g', 'Y', 3673, 3125, 'N', 5215, 'o', 'H', 9037, 6989, 'j', 4771, '8377', '8513', 'G', '5909', 'E', '1053', '4327', 'H', '2291', 'X', 'n', '8915', 'x', '1633', 'y', 'a', '6099', 'U', '8661', '9305', '3981', '4973', 'P', 'k', 1307, 'K', 2811, 87, 2033, 'p', 7517, 153, 'e', 7337, 'i', 'C', 2083, 2887, 8147, 5569], ['o', 5387, 'u', 'U', 7467, 'n', 'j', 'p', 'q', 'n', 3185, 'Q', 845, 'T', 2367, 6817, 4785, 'q', 'l', 'U', 'z', 't', '8377', '8513', 'G', '5909', 'E', '1053', '4327', 'H', '2291', 'X', 'n', '8915', 'x', '1633', 'y', 'a', '6099', 'U', '8661', '9305', '3981', '4973', 'w', 'H', 'p', 'G', 'U', 9549, 'F', 5271, 3793, 'l', 'g']