In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7255, 'e', 4271, 7391, 'U', 4193, 'H', 4369, 't', '6519', '4651', '7911', '7973', '8167', 'r', '4785', 'D', '1713', 'g', '4113', 'I', '1539', '899', 'F', 'h', '7559', '1445', '3625', 'y', '9855', 'l', 'f', 9701, 3923, 7393], ['c', 4959, 3191, 'S', 9705, 't', '6519', '4651', '7911', '7973', '8167', 'r', '4785', 'D', '1713', 'g', '4113', 'I', '1539', '899', 'F', 'h', '7559', '1445', '3625', 'y', '9855', 'l', 'k', 'S', 7987, 'G', 'F', 'm', 7705, 'q', 'n', 'p', 'l', 'A', 9625, 'q', 9591, 'K', 6637, 'g', 's', 4733, 8389, 'S', 9165]