In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[9343, 'R', 5623, 't', 'r', 'D', 6377, 'D', 3953, 5175, 'L', 'L', 2527, 7057, '2007', '5757', 'g', 'k', 'H', 'J', '5431', '2013', 'H', '6135', '7311', 'j', 'y', '4655', '1705', '159', 'l', '2931', '2425', 'Z', 't', '3975', 's', 'I', 'j', 5045, 'q'], ['l', 'y', 'U', 7223, 577, 'p', 'h', 8427, 'I', 8959, 3921, 8561, 'H', 'Y', 'w', 3593, 'j', '2007', '5757', 'g', 'k', 'H', 'J', '5431', '2013', 'H', '6135', '7311', 'j', 'y', '4655', '1705', '159', 'l', '2931', '2425', 'Z', 't', '3975', 5365, 2423, 'd', 3295, 'D']