In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[123, 'u', 's', 'd', 8195, 'O', 8617, 2433, 'Y', 'Z', 'f', 7613, 'y', 'r', 'm', 8809, 'x', 'X', 'K', 'm', '3041', 'V', '8943', '7841', 'i', '9549', 'J', '1843', 'R', '8483', '8511', 'o', 'q', 'B', 'w', '5919', '4697', '2963', '921', '2071', 'R', 'E', 'Y', '2381', 'm', 9967, 4165, 779, 7595, 4547, 'H', 1591, 7419, 'b', 8097, 515, 9281, 'g', 3133, 8263, 4975, 6485, 3715, 'X', 8675, 'R', 'w', 'q'], [9287, 'b', 'P', 'x', 8507, 'D', 8419, 2093, 'C', 6057, 3855, 2563, 6855, 'u', 'X', 'K', 'm', '3041', 'V', '8943', '7841', 'i', '9549', 'J', '1843', 'R', '8483', '8511', 'o', 'q', 'B', 'w', '5919', '4697', '2963', '921', '2071', 'R', 'E', 'Y', '2381', 'F', 'U', 'K', 'Y', 'a', 9403, 'b', 423, 'g', 5813, 'j', 2689, 5253, 'L', 'x', 'r', 1135, 9655, 5681, 'y', 'w', 'g']