In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[5633, 'S', 'r', 'v', '8533', 'o', 'q', 'u', '2373', 'K', '1449', 's', '61', 'W', '3961', '5261', '273', '2447', 'N', 8577, 7287, 3573, 1389, 3669, 'l', 1297, 5253, 4285, 'N', 'r', 7009], [6027, 6279, 3013, 4709, 'W', 921, 'p', 9539, '8533', 'o', 'q', 'u', '2373', 'K', '1449', 's', '61', 'W', '3961', '5261', '273', '2447', 'T', 4253, 'p', 7137, 2645, 8649, 8799, 8535, 'u', 'v', 'A', 8213, 4629, 'i']