In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5681, 6257, 'm', 'D', 4159, 4745, 'U', 'e', '7207', 'c', 'O', 'p', '8009', '1037', 'U', 'V', '9281', '61', 'C', 'i', 'y', 'U', 's', 'w', 'y', 9535, 6385, 'x', 1587, 4743], ['f', 'x', 'v', 8393, 'q', 'X', 9059, 'N', 2487, 5695, 7297, 'o', 4037, 9537, 'e', '7207', 'c', 'O', 'p', '8009', '1037', 'U', 'V', '9281', '61', 'C', 'i', 'y', 'U', 's', 'G', 'E', 735, 5435, 9579, 881, 2049, 3851, 'V', 4095, 4847, 9353, 'C', 2621, 447, 1633]