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

[Q]: [7449, 1055, 'd', 'q', '3157', '6365', 'v', 'b', 'H', 'n', 'B', '4283', 'm', 'c', 'V', 'h', '3207', '3795', 'j', 'l', 'j', 'K', 'k', 'N', 'd', 83, 'a', 'd', 3257, 3697, 'p', 9587, 4343, 8761, 8435, 'q', 909], ['F', 'V', 3405, 6049, 8373, 8397, 9195, 'q', '3157', '6365', 'v', 'b', 'H', 'n', 'B', '4283', 'm', 'c', 'V', 'h', '3207', '3795', 'j', 'l', 'j', 'K', 'k', 'E', 'W', 'U', 'T', 'L', 2711, 'R', 'm']
[A]: q, 3157, 6365, v, b, H, n, B, 4283, m, c, V, h, 3207, 3795, j, l, j, K, k


[Q]: [5307, 'b', 'I', '9451', 'W', 7941], [8087, 'U', 'I', '9451', 'g', 'I']
[A]: I, 9451


[Q]: ['s', 'v', 'G', 't', 'C', '7419', 'U', '8485', '2663', 'V', '2149', 'R', 'x', '6979', '9671', 't', 'A', 'w', 7995, 'N', 'n', 's'], ['X', 'h', 6589, 'h', 5979, 'y', 'o', 3307, 'J', 'C', '7419', 'U', '8485', '2663', 'V', '2149', 'R', 'x', '6979', '9671', 't', 'C', 'P', 'a', 'D', 'f', 4331, 4089, 'X', 'l', 9013, 6663]
[A]:
C, 7419, U, 8485, 2663, V, 2149, R, x, 6979, 9671, t