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

Ex Input:
[3099, 6093, 4271, 6819, 5389, 'u', 'X', 'e', 7511, 'W', 1089, 7755, 2839, 4489, 9439, 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'N', 6013, 9677, 759, 8765, 'r', 6787, 'G', 4705, 7571, 'Q', 'k', 4121, 'C', 'H', 'H', 4407, 'b', 'O', 'e'], [4829, 7255, 7697, 'C', 'y', 4555, 'X', 6141, 'b', 'X', 7179, 'W', 1425, 17, 8659, 'H', 'm', 355, 'b', 'u', 'Q', 'C', 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'J', 9911, 4879, 3849, 'J', 7507, 'n']

Ex Output:
e, 9795, 8439, k, 4309, 4815, 7907, 1999, 8777, K, z, 6819, 199, 311, P, c, 7135, n, 7681, X, y, e, 6085, Z

Ex Input:
[3035, 7591, 'C', 'q', 'V', 'Y', 'C', 'D', '8629', '8873', 'O', '2505', '123', '8427', 'E', 'f', 'j', 's', 'G', '813', 't', '4113', '9319', '3221', 'K', 'C', 'C', '1679', 'Q', 'a', 'G', 'N', 'T', 's', 8601, 'j', 'D', 8513, 'd', 'm', 9725, 'V', 'R', 6981, 3191, 9251, 3009, 'y'], [8511, 3233, 'V', 'k', 8569, 511, 'G', 3587, 2909, 2225, 3411, 3135, 'w', 'V', 'Y', 'C', 'D', '8629', '8873', 'O', '2505', '123', '8427', 'E', 'f', 'j', 's', 'G', '813', 't', '4113', '9319', '3221', 'K', 'C', 'C', '1679', 'Q', 'a', 'k', 'S', 'S', 9041, 2591, 7417, 'N', 'W', 'b']

Ex Output:
V, Y, C, D, 8629, 8873, O, 2505, 123, 8427, E, f, j, s, G, 813, t, 4113, 9319, 3221, K, C, C, 1679, Q, a

Ex Input:
['O', 'a', 1841, 8951, 'V', 9513, 'l', 'J', 8877, 7663, 'j', 'W', 'l', 'q', '6577', '1961', 'e', '3969', 'D', 's', '9979', '3163', '3095', 'k', 'L', 'G', '1863', 'o', 'W', 'X', 5339, 5723, 'I', 'B', 's', 'n'], ['U', 'Z', 9169, 345, 'R', 2511, 'W', 'l', 'q', '6577', '1961', 'e', '3969', 'D', 's', '9979', '3163', '3095', 'k', 'L', 'G', '1863', 'o', 'W', 's', 1801, 'm', 3341, 'p', 3981, 'w', 5403]

Ex Output:
W, l, q, 6577, 1961, e, 3969, D, s, 9979, 3163, 3095, k, L, G, 1863, o, W