In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['v', 'N', 6631, 8793, 2759, 'r', 5467, 'K', 2823, 'U', 'S', 2195, 5129, 'Q', 7777, '5767', '8347', '1943', '6009', 'l', '1915', '4053', 'x', 'g', 'q', '1405', '1401', 'C', 'H', 'G', 'f', '3597', 'L', '6333', '571', '4195', '4933', '3297', '1753', 'r', 8681, 4157, 3215, 8985, 5377, 9009, 'F', 4197, 'r'], ['w', 9819, 'P', 'l', 'F', 8445, 105, 'A', 8069, 4241, 9977, 'S', 3825, 'N', 'g', 5377, 'd', 'W', '5767', '8347', '1943', '6009', 'l', '1915', '4053', 'x', 'g', 'q', '1405', '1401', 'C', 'H', 'G', 'f', '3597', 'L', '6333', '571', '4195', '4933', '3297', '1753', 'A', 'M', 8879, 1785, 'u', 9165, 'O', 'v', 2557, 'Q', 'm', 'y', 3283, 497, 1279, 'D', 'p', 'K']