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

Ex Input:
[7247, 1163, 3573, 'Q', 'j', 'W', 'Z', '9033', '57', 'W', '5259', 'Z', '3169', 't', '5065', '8825', 's', '4051', '8469', '401', 'U', '4069', 'E', 'V', '8889', 'S', 'D', 't', '7323', 'c', '2987', 'J', 'D', '3061', 'M', 9599, 'n', 'V'], ['m', 5641, 4917, 'p', 'L', 4811, 'W', 9443, 2931, 6127, 't', 'H', 'O', 'V', 'S', 'A', 1447, 'Y', 'O', 6005, 9461, 'l', '9033', '57', 'W', '5259', 'Z', '3169', 't', '5065', '8825', 's', '4051', '8469', '401', 'U', '4069', 'E', 'V', '8889', 'S', 'D', 't', '7323', 'c', '2987', 'J', 'D', '3061', 'o', 'X', 'E', 'O', 7153, 'c', 'q', 'a', 3629, 'k']

Ex Output:
9033, 57, W, 5259, Z, 3169, t, 5065, 8825, s, 4051, 8469, 401, U, 4069, E, V, 8889, S, D, t, 7323, c, 2987, J, D, 3061


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

Ex Output:
G, u, 9033, 709, 6413


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