In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8881, 'n', 9971, '8609', 'O', '8617', '5519', '3849', '6579', 'o', '7565', 'h', '4307', '2795', 'B', '8303', 'R', 'q', '499', 'T', 'g', 'T', 'I', '1335', 'G', '875', '7625', '6067', 's', 'j', 'X', 8861, 4287, 4765, 'S', 6673, 1989, 2611, 'Z', 6345, 's', 7311, 'x', 'N'], [7035, 7535, 'C', 'p', 7271, 'D', 129, 8447, 6649, 'v', 'a', 8091, 9873, 2115, 'M', 4243, 'm', 159, 6255, 9225, 'y', '8609', 'O', '8617', '5519', '3849', '6579', 'o', '7565', 'h', '4307', '2795', 'B', '8303', 'R', 'q', '499', 'T', 'g', 'T', 'I', '1335', 'G', '875', '7625', '6067', 'X', 'T', 'W', 'x', 'F', 5819, 6957]