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

Q: ['U', 2021, 9935, '873', 'T', '9883', 'y', 8789, 'v'], ['g', 7321, '873', 'T', '9883', 'p', 9721]

A: 873, T, 9883
****
Q: [3043, 'd', 1055, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'Y', 'f', 4599], ['Q', 'X', 2931, 'f', 3139, 'r', 3625, 4375, 'B', 8381, '2909', 'J', 'D', '4735', '6701', 'v', 'P', '4341', '7905', 'G', '5297', '6721', 'N', 8281, 'W', 'u', 5969, 'w', 'b', 1735, 'j']

A: 2909, J, D, 4735, 6701, v, P, 4341, 7905, G, 5297, 6721
****
Q: ['J', 'e', 'g', 'q', 'z', 'N', '517', 'O', 'R', '2613', 'l', '3007', 'K', 'k', '3347', 'r', 'u', 's', '2399', 'v', 'r', 'i', 'V', '8833', 'g', 'R', 'x', 'h', 'n', 6207, 9559, 2139, 4597, 4199, 9489, 'm', 8439], [9887, 4503, 'i', 7287, 'u', 'C', 8099, 3257, 1979, 'N', 8325, 7613, 'N', '517', 'O', 'R', '2613', 'l', '3007', 'K', 'k', '3347', 'r', 'u', 's', '2399', 'v', 'r', 'i', 'V', '8833', 'g', 'R', 'd', 'w', 2619, 2631, 'v', 5797, 'g', 'P', 6801, 'o', 'r', 6065, 4615, 'n', 8475, 'H']

A:
N, 517, O, R, 2613, l, 3007, K, k, 3347, r, u, s, 2399, v, r, i, V, 8833, g, R
****