In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3725, 4205, 'U', 'x', 9395, 4599, 'n', 'v', 'e', 7841, 'z', '5433', 'R', 'P', '139', 'V', 'Z', 'Y', '2145', 'l', '6637', 'n', 'B', 'S', 'W', 'F', '5937', '3087', 'v', '9837', 'K', '4867', 'H', '6981', '6191', 'z', 'R', 9969, 7891, 9133, 7633, 2015, 3225], ['b', 'm', 'F', 2509, 8103, 1313, 771, 1145, 'k', 'W', 'e', 1411, 3551, 'k', 35, 'i', 9271, 4951, 'H', 'F', 7611, 'l', 'z', '5433', 'R', 'P', '139', 'V', 'Z', 'Y', '2145', 'l', '6637', 'n', 'B', 'S', 'W', 'F', '5937', '3087', 'v', '9837', 'K', '4867', 'H', '6981', '6191', 'M', 'p', 'g', 'g', 'N', 'e', 6583, 'T', 6043]