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

[Q]: ['P', 'h', 9391, 'u', 9757, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'p', 7959, 'F'], [1713, 2679, 'y', 'a', 'j', 'k', 'Y', '2091', 'U', 'V', 'r', 't', 'f', 8179]
[A]: y, a, j, k, Y, 2091, U

[Q]: [1363, 'O', 'u', '3885', 'y', '2105', '1495', '417', 'n', 9057, 2977], ['x', 'X', '3885', 'y', '2105', '1495', '417', 'X', 2883]
[A]: 3885, y, 2105, 1495, 417

[Q]: [5703, 'd', 2573, 'V', 9273, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 'Z', 'J', 'C', 'O', 6077, 1125, 1345, 8989], ['f', 59, 8449, 5387, 8075, 9721, 5271, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 2375, 3141, 'Z', 'Y', 'N']
[A]:
7133, O, 6191, 6151, 5017, c, b, 1721