In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['Z', 'Z', 'J', 'd', 'H', 'S', 2621, 5837, 9511, 7485, 'U', 'K', 4339, 7849, 6299, 'l', 'Z', 'o', 'I', 7743, 'y', 3449, 1027, 'w', 6783, 9373, 4243, 'C', '5289', '9613', 'Y', 'E', '3613', 'A', '2927', 'E', '545', '4879', 'l', 'A', 'b', '6221', '177', 'E', 's', 'r', '8237', 'G', '1285', '8847', 'v', '1507', 'R', 'l', 'D', 'g', 'a', 9939, 2417, 2327, 543, 'Z', 7393, 7213, 4331], [1351, 'w', 'Z', 2083, 'q', 'Y', 5415, 1631, 'U', 'C', '5289', '9613', 'Y', 'E', '3613', 'A', '2927', 'E', '545', '4879', 'l', 'A', 'b', '6221', '177', 'E', 's', 'r', '8237', 'G', '1285', '8847', 'v', '1507', 'R', 'l', 'D', 'g', 's', 1575, 'B', 4573, 3641, 'R', 'L']