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

Ex Input:
[571, 969, 3069, 7455, 'g', 'Z', 237, 8231, 71, 'X', '873', 'N', 'u', 'c', 'n', '759', 'p', 'I', '1007', 'O', 'V', '9137', 'G', '1727', '7437', 't', '8909', 'L', 'C', 'R', 3217, 1445, 3493, 'Y', 'G', 6747, 751, 1347, 7337, 'Z'], ['z', 'U', 477, 'm', 'y', 7909, 413, 6315, 'v', 7173, 1403, 'F', 'M', 7559, 7589, 9021, 'U', 2859, '873', 'N', 'u', 'c', 'n', '759', 'p', 'I', '1007', 'O', 'V', '9137', 'G', '1727', '7437', 't', '8909', 'L', 'k', 3817, 'Q', 1165]

Ex Output:
873, N, u, c, n, 759, p, I, 1007, O, V, 9137, G, 1727, 7437, t, 8909, L


Ex Input:
[7675, 6429, 'Y', 'J', '6533', 'o', '47', '6333', 'W', 'J'], [6609, 2621, '6533', 'o', '47', '6333', 'm', 'k', 2605, 'd']

Ex Output:
6533, o, 47, 6333


Ex Input:
['G', 'U', '9913', '9713', 'k', 9855], ['G', 8699, '9913', '9713', 'C', 'g']

Ex Output:

9913, 9713