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

Ex Input:
['H', 'z', 'i', 2235, 'F', 7863, 5279, 6871, 6305, 545, 'i', 'x', 1179, 4813, 7929, 9261, 'm', 'w', '8797', '6621', 'o', '9615', 'Q', '3235', '5995', '939', 't', 'T', 'g', 'c', '4047', 'm', 'V', 'P', '8637', 's', 'Z', 'G', 6405, 1707], [9085, 4723, 'q', 'i', 'w', 5997, 'w', 'H', 'N', 'v', 4797, 5633, 7441, 'O', 9121, 'h', 9939, 'w', '8797', '6621', 'o', '9615', 'Q', '3235', '5995', '939', 't', 'T', 'g', 'c', '4047', 'm', 'V', 'P', '8637', 'o', 2775, 5765, 'H', 309, 609, 9481, 'x']

Ex Output:
w, 8797, 6621, o, 9615, Q, 3235, 5995, 939, t, T, g, c, 4047, m, V, P, 8637


Ex Input:
['W', 'Y', 'y', 'A', 'm', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'H', 2451, 'x', 3307, 'A', 7121, 'b', 3319], ['M', 'L', 5827, 'I', 'r', 'f', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'N', 3371, 691]

Ex Output:
6915, 3285, d, 1035, H, J, 7549, P, 5301, q, 4057, H, 5697, H, 5141


Ex Input:
['m', 'q', 'K', 9885, 'b', 'L', 823, 4347, 7119, '2459', 'z', '9179', '2173', '5425', '7509', '1969', 'a', '5403', 'i', 'H', '1189', 'X', '5593', 'N', 'I', 'v', 2419], [3669, 5561, 'J', 5191, 'H', 'x', 4019, 833, 'K', 'C', 521, 4295, 3927, 2967, 9383, '2459', 'z', '9179', '2173', '5425', '7509', '1969', 'a', '5403', 'i', 'H', '1189', 'X', '5593', 'N', 'I', 'o', 7413, 709, 7125, 'f', 'g']

Ex Output:

2459, z, 9179, 2173, 5425, 7509, 1969, a, 5403, i, H, 1189, X, 5593, N, I