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

Ex Input:
[621, 7677, 'b', '889', '6721', 'H', 'd', 'S'], [8151, 'F', 'b', '889', '6721', 'h', 4123]

Ex Output:
b, 889, 6721


Ex Input:
['w', 'Z', 8573, 'o', 'D', 'J', 5037, 2641, 'O', 'T', '9477', 'u', 'n', 'x', '693', 'o', 'l', '9113', '3117', '3743', '1889', 'G', 'P', 6189, 7671, 5677], ['P', 1411, 'O', 'T', '9477', 'u', 'n', 'x', '693', 'o', 'l', '9113', '3117', '3743', '1889', 'P', 'K', 'l', 'U', 2505, 3803, 9459, 'H', 1427, 1453, 'g']

Ex Output:
O, T, 9477, u, n, x, 693, o, l, 9113, 3117, 3743, 1889


Ex Input:
['m', 4317, 4487, 5183, 'o', 'q', '9081', '3439', 'G', 'Z', 5647, 'm'], ['c', 'G', 'o', 'q', '9081', '3439', 'p', 'F']

Ex Output:

o, q, 9081, 3439