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

Ex Input:
[1533, 'd', 'G', 9307, 'H', 'T', 505, 6437, 1249, 'R', 8573, 's', 6671, 3979, 'z', 'q', 1825, 4533, 'Q', 1053, 'D', 'H', '3855', 'Z', 'A', '3135', '8975', 'C', '7353', '4921', 'G', '7081', 'S', '9035', '8813', '4857', '3945', '3155', '6265', 'N', 'a', '697', 'l', '3685', '8669', '2417', 'x', 1287, 5341, 'L', 2371, 'n', 7671, 'b', 4883, 5911, 'i', 'U', 8205, 'a', 3747, 'n', 6563, 'a', 2661, 5559, 'n', 7577], ['p', 6333, 2619, 2667, 8241, 'V', 'v', 'M', 'D', 'H', '3855', 'Z', 'A', '3135', '8975', 'C', '7353', '4921', 'G', '7081', 'S', '9035', '8813', '4857', '3945', '3155', '6265', 'N', 'a', '697', 'l', '3685', '8669', '2417', 'F', 'F', 5571, 'm', 'B', 4651, 447, 'G', 'a', 5755, 'N', 'A', 'p', 'c', 'j', 5491, 'u', 'W', 'T', 'c', 9057, 'e']

Ex Output:
D, H, 3855, Z, A, 3135, 8975, C, 7353, 4921, G, 7081, S, 9035, 8813, 4857, 3945, 3155, 6265, N, a, 697, l, 3685, 8669, 2417


Ex Input:
['J', 6791, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'i', 'n', 'R', 9199, 455, 'i'], [4051, 8463, 'i', 6667, 'N', 'k', 'X', 2629, 'I', 'O', 5057, 1059, 4265, 'B', 3819, 'c', 9941, 'R', 'a', 5545, 'x', 'f', 'n', '5565', '4103', 'q', 'n', 'h', '625', '2981', '3243', 'q', '2705', '5505', 's', '4423', 'j', '9819', '3841', 'Z', 'a', 9953, 6229, 'F', 2985]

Ex Output:
x, f, n, 5565, 4103, q, n, h, 625, 2981, 3243, q, 2705, 5505, s, 4423, j, 9819, 3841, Z


Ex Input:
[4693, 'l', 2095, 'e', '5269', '9725', '8833', 'Y', 'j', 'F', '3647', '8101', 'U', 'z', '3679', '5635', '2593', '4115', '3183', 'u', 'g', 'q', 9229], ['s', 'd', 9823, 'V', 'w', 'k', 3975, 2987, '5269', '9725', '8833', 'Y', 'j', 'F', '3647', '8101', 'U', 'z', '3679', '5635', '2593', '4115', '3183', 'R', 'h', 1495, 'U', 359, 'g', 'd']

Ex Output:

5269, 9725, 8833, Y, j, F, 3647, 8101, U, z, 3679, 5635, 2593, 4115, 3183