In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 8573, 'h', 'e', 'w', 6017, 2899, 4767, 't', 'P', 'G', 3617, 253, 331, 9245, 'a', '8959', 'R', '5799', 'G', 'l', 'O', 'j', 'k', 'E', '935', 'C', 'p', 'k', '4593', 'y', '253', '1497', 'o', 'C', 'C', 5151, 2857, 9257, 'w', 'O', 5993, 'p', 6141, 'a'], ['l', 6091, 2009, 7105, 537, 5203, 8983, 'e', 8735, 'j', 'm', 'J', 4613, 'I', 2821, 2855, 'B', 2973, 'a', '8959', 'R', '5799', 'G', 'l', 'O', 'j', 'k', 'E', '935', 'C', 'p', 'k', '4593', 'y', '253', '1497', 'o', 'A', 'o', 7267, 4625, 'A']