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

Ex Input:
['C', 573, 'f', 1193, 7823, '1533', 'F', 'B', 'w', 'y', '3525', 't', '7201', 'h', 'f', 'w', 'Q', 'U', '1569', 'm', '9675', '1053', '4611', 'I', 3559, 5459, 2961, 'j', 7205, 5403, 8753, 2855, 55, 9273, 'e', 'G', 9505, 6191], [6441, 'L', 'r', 6289, 'P', 'r', 9227, 8285, 'Z', '1533', 'F', 'B', 'w', 'y', '3525', 't', '7201', 'h', 'f', 'w', 'Q', 'U', '1569', 'm', '9675', '1053', '4611', 'F', 'A', 'h', 'm', 5711, 'b', 933, 1093, 'S', 'b', 'x']

Ex Output:
1533, F, B, w, y, 3525, t, 7201, h, f, w, Q, U, 1569, m, 9675, 1053, 4611


Ex Input:
[2895, 5147, 'w', 'e', 3385, 'm', 'y', 't', 'L', 1739, 8053, 7245, 6403, 8217, 'k', '9237', 'F', '4959', '3637', 'X', '1127', 'L', '9537', '3871', 'D', '3747', 'E', 'U', 'b', 'n', '7893', 'F', 'l', 'y', 4019, 9049, 'n', 'j', 6871], ['c', 'k', 'E', 'L', 6709, 's', 'M', 3861, 'M', 4297, 5731, 'a', 'V', 'k', '9237', 'F', '4959', '3637', 'X', '1127', 'L', '9537', '3871', 'D', '3747', 'E', 'U', 'b', 'n', '7893', 'F', 'w', 'd']

Ex Output:
k, 9237, F, 4959, 3637, X, 1127, L, 9537, 3871, D, 3747, E, U, b, n, 7893, F


Ex Input:
[1181, 'l', 'v', 'v', '9059', '1397', '1859', '9231', 'y', 7219], ['P', 225, 'i', '9059', '1397', '1859', '9231', 'i', 'c', 'I']

Ex Output:

9059, 1397, 1859, 9231