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

Ex Input:
[2481, 7755, 2663, 2449, 4291, 'b', 5343, 'F', 'A', '3811', 'G', 'I', '415', '6825', '2449', 'q', 'W', 'x', 't', 'K', 'l', 539, 3959], ['W', 'N', 'K', 4351, '3811', 'G', 'I', '415', '6825', '2449', 'q', 'W', 'x', 'c', 9833]

Ex Output:
3811, G, I, 415, 6825, 2449, q, W, x

Ex Input:
[2095, 4189, 3851, 8479, 'L', 3797, 'B', 'k', 'i', 'e', 'o', '4383', '3861', '6441', '2477', '9535', 'S', '9063', 'w', '5725', '6101', '1753', '3199', 'U', 'n', 5177, 'M', 5593], ['l', 'e', 'k', 4363, 3241, 6099, 5081, 3617, 7859, 'k', 'i', 'e', 'o', '4383', '3861', '6441', '2477', '9535', 'S', '9063', 'w', '5725', '6101', '1753', '3199', 't', 'N', 6009, 5793, 'T']

Ex Output:
k, i, e, o, 4383, 3861, 6441, 2477, 9535, S, 9063, w, 5725, 6101, 1753, 3199

Ex Input:
[7091, 141, 7901, 2493, 5977, 'I', '707', 'N', 'M', '9265', '7003', '65', 'C', 9517, 6551, 575, 2727], ['g', 825, 'W', 'U', 'I', '707', 'N', 'M', '9265', '7003', '65', 'f', 9489]

Ex Output:
I, 707, N, M, 9265, 7003, 65