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

Ex Input:
[6453, 7881, 'D', 'X', '9799', 'Z', '1711', 'P', 'L', 'E', '5039', '1161', 'n', '6077', '685', 'F', 'C', 'Y', 2235, 823, 'q', 'S', 'R', 'K', 2809, 'o', 7605, 'L', 'V', 'D', 'R'], [1195, 'n', 5253, 7139, 4463, 10023, 'O', 'Y', 'X', '9799', 'Z', '1711', 'P', 'L', 'E', '5039', '1161', 'n', '6077', '685', 'F', 'C', 'L', 4321, 3545, 'G', 'G', 'h']

Ex Output:
X, 9799, Z, 1711, P, L, E, 5039, 1161, n, 6077, 685, F, C


Ex Input:
['h', 'L', 2481, 8463, 1309, '7587', '521', 'a', '1617', '5245', '5629', '9977', 'o', 'I', 4133, 't', 'i'], ['P', 5497, '7587', '521', 'a', '1617', '5245', '5629', '9977', 'I', 2251, 'p', 's', 'n', 'k', 8259]

Ex Output:
7587, 521, a, 1617, 5245, 5629, 9977


Ex Input:
['M', 'm', 8571, 'J', 7297, 3761, 35, 8987, 1723, 1719, 1591, 'Z', 3877, '6959', '3717', 'y', '4219', '993', 'E', '8809', 'A', 'q', 't', '5583', '6643', 'L', '5605', 'S', 'o', '3071', '1365', 'X', 2021, 'N', 3259, 'X', 'h', 'v', 7289, 9767, 2785, 7275], ['h', 'w', 'c', 'p', 'y', 'y', 'h', 'X', '6959', '3717', 'y', '4219', '993', 'E', '8809', 'A', 'q', 't', '5583', '6643', 'L', '5605', 'S', 'o', '3071', '1365', 'P', 'k', 'I', 7703]

Ex Output:

6959, 3717, y, 4219, 993, E, 8809, A, q, t, 5583, 6643, L, 5605, S, o, 3071, 1365