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

[Q]: [737, 'z', 4401, 6317, 't', 'B', 3815, 'm', 'G', '8709', '4749', 'J', '8885', 'k', 'Y', '3083', 'X', '8267', 'T', 'A', 'A', '7049', '6681', '6111', 's', 't', 'h', 1687, 'T', 'O', 'A', 'r', 'U', 6703, 'u', 'm', 1571, 'J', 2289, 8279], [5617, 'D', 'p', '8709', '4749', 'J', '8885', 'k', 'Y', '3083', 'X', '8267', 'T', 'A', 'A', '7049', '6681', '6111', 's', 'n', 5571, 8277, 'D', 1885, 7949, 3767, 'o', 'K', 5755, 'v', 9117, 's', 'b']
[A]: 8709, 4749, J, 8885, k, Y, 3083, X, 8267, T, A, A, 7049, 6681, 6111, s


[Q]: [4817, 'A', '3155', 'W', 'm', 4061], [7701, 'P', '3155', 'W', 't', 'J']
[A]: 3155, W


[Q]: [1853, 9719, 'U', 'U', 'D', 2565, 'I', 2887, 2923, 'U', 'F', 'Y', '837', 'x', '9209', '9735', 'M', 'P', '4105', 'q', 'b', 'y', 'S', '2827', 'G', '8197', 'm', 'o', 5205, 1551, 'K', 3851, 9759, 'r'], [4163, 477, 2339, 1523, 421, 71, 3159, 2487, 'G', 'P', 'Y', '837', 'x', '9209', '9735', 'M', 'P', '4105', 'q', 'b', 'y', 'S', '2827', 'G', '8197', 'm', 'k', 9645, 303, 'x', 4347, 8621, 'T', 9567, 'l', 7097, 'N']
[A]:
Y, 837, x, 9209, 9735, M, P, 4105, q, b, y, S, 2827, G, 8197, m