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

[4665, 'U', 1617, 4891, 3015, 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'B', 'H', 'y', 6819, 9689, 4667, 6651, 'Z', 4359, 3239, 'k'], [4575, 7833, 7267, 't', 'C', 'k', '9381', '4077', 'f', 'T', 'G', 'z', '9879', 'q', 'f', 'g', 'G', '8765', 'D', '1755', 'v', 4883, 'l', 3055]
k, 9381, 4077, f, T, G, z, 9879, q, f, g, G, 8765, D, 1755

[3937, 'R', 'H', '3517', '1845', 'Y', '8999', '7003', '6677', '8517', 'k', 'W', '5321', '5817', 's', '271', '4109', 'o', 5471, 's', 8751, 2307, 4959, 2645, 7227, 3355, 'Z', 'c', 'D', 1155, 'W', 'T'], ['V', 'B', 'z', 2111, 'H', '3517', '1845', 'Y', '8999', '7003', '6677', '8517', 'k', 'W', '5321', '5817', 's', '271', '4109', 'b', 8675, 9843, 'v', 'n']
H, 3517, 1845, Y, 8999, 7003, 6677, 8517, k, W, 5321, 5817, s, 271, 4109

[7525, 'J', 9065, 683, 'B', 'N', 9527, 6237, 'R', 7089, 6493, 'B', 'M', 'x', 'O', 'e', 'u', '3665', '2207', 'p', 'Z', '395', 'W', '1483', 'u', 'r', '8273', '3923', 'S', 9427, 843, 7997, 'k', 9799, 'R'], [5057, 9217, 9855, 8275, 'R', 1557, 'v', 7263, 'g', 695, 'q', 'n', 4377, 'M', 'x', 'O', 'e', 'u', '3665', '2207', 'p', 'Z', '395', 'W', '1483', 'u', 'r', '8273', '3923', 'I', 'u', 439, 4781, 7757, 3761, 8931, 4351, 'b', 2057, 205, 1855, 'b', 'g']

M, x, O, e, u, 3665, 2207, p, Z, 395, W, 1483, u, r, 8273, 3923