In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

[EX Q]: [4731, 'z', 8923, 1325, 'P', 8435, 'u', 'B', 'N', 8191, 'O', '3019', '4077', 'w', 'W', 'x', 'z', '2233', '6509', 'N', '3069', '5471', 'K', 'x', 'q', '979', 'M', 'O', 'H', 9453], [4977, 'E', 4865, 'O', '3019', '4077', 'w', 'W', 'x', 'z', '2233', '6509', 'N', '3069', '5471', 'K', 'x', 'q', '979', 'M', 'R', 'T', 7065]
[EX A]: O, 3019, 4077, w, W, x, z, 2233, 6509, N, 3069, 5471, K, x, q, 979, M

[EX Q]: [93, 'H', 'd', 'z', 'G', 'u', '9033', '709', '6413', 'C', 'j', 8909, 5687], [9451, 2867, 'G', 'u', '9033', '709', '6413', 'Y', 'y']
[EX A]: G, u, 9033, 709, 6413

[EX Q]: ['M', 6605, 1651, 7551, 3461, 3437, 'b', 6265, 'N', 'G', 'x', 'i', 2413, 8293, 115, 'U', 3281, 'Q', '1117', 'w', 'H', 'a', '313', 'e', 'i', '1695', '8067', '4921', '5925', '9183', '3025', '6375', 'X', 'n', 'X', 'a', 'N', 'C', '3819', 'R', '3463', 'f', '9309', '3837', 'k', 'k', 245, 7869, 'H', 2279, 6889, 119, 6203, 'i', 3719, 'm', 5889, 7057, 'x', 'F'], ['x', 's', 'C', 2455, 'i', 'O', 'G', 'I', 'M', 7799, 2675, 'n', 257, 1887, 3551, 4465, 1367, 'X', 4531, 7849, 'h', 'Q', '1117', 'w', 'H', 'a', '313', 'e', 'i', '1695', '8067', '4921', '5925', '9183', '3025', '6375', 'X', 'n', 'X', 'a', 'N', 'C', '3819', 'R', '3463', 'f', '9309', '3837', 'f', 'U', 'u', 1223, 1227, 75, 8289, 6779, 9699, 'd', 5173, 4541, 9039, 'f', 'w', 'e', 5363, 7519, 'V', 2709, 683, 'a', 'B']
[EX A]:
Q, 1117, w, H, a, 313, e, i, 1695, 8067, 4921, 5925, 9183, 3025, 6375, X, n, X, a, N, C, 3819, R, 3463, f, 9309, 3837