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

Ex Input:
['r', 9177, 1593, 9315, 'C', 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'A', 2489, 3955, 1603, 6355], ['I', 'W', 7673, 'm', 'E', 9111, 4177, 9355, 'Z', 'w', 'X', '1005', '185', '837', 'p', '2923', 'Y', 'v', 9065, 2309, 5041, 1047, 1263, 'V', 3483]

Ex Output:
Z, w, X, 1005, 185, 837, p, 2923, Y


Ex Input:
[7319, 'V', 'f', 't', 'M', 'L'], [4655, 3353, 'f', 't', 'G', 1263]

Ex Output:
f, t


Ex Input:
['V', 3407, 'b', 'Z', '3173', '3669', 'j', 'j', 'A', '9039', 'W', 'U', 't', 2779, 1241, 'S', 7555], ['E', 'E', 4499, '3173', '3669', 'j', 'j', 'A', '9039', 'W', 'c', 4241, 'B', 'r']

Ex Output:

3173, 3669, j, j, A, 9039, W