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

[EX Q]: ['U', 6489, 'o', 'e', 'Z', 'G', '8175', 'r', '1915', '8587', '8845', 'I', 'B', 'R', 'N', 9533, 'd'], ['U', 4287, 'f', 'R', 1407, 3893, 6739, 'o', 'e', 'Z', 'G', '8175', 'r', '1915', '8587', '8845', 'Z', 2981, 'i', 'a', 'k', 5909, 'S', 9997]
[EX A]: o, e, Z, G, 8175, r, 1915, 8587, 8845

[EX Q]: [7395, 6997, 'Z', 2015, 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'C', 8179, 4675, 'x', 'k', 'V'], ['P', 'A', 'v', '4045', 'F', 'O', 'N', 'k', '6013', 'k', 7667, 3913, 5111, 1215, 'r', 'g']
[EX A]: v, 4045, F, O, N, k, 6013

[EX Q]: ['P', 9269, 'E', 'X', 1025, 3449, 553, 'S', 8015, 6205, 5835, 533, 'd', 'x', 'N', 'X', '4977', '9193', 'i', '8417', 'Q', 'K', '4875', '9559', 'X', '9861', 'J', 't', '1419', 'e', '1383', 'G', 'K', 1265, 'A', 5057, 7501, 'L', 2845, 8869, 'P', 'Y', 'f'], [7423, 'K', 'k', 'g', 'P', 'N', 5421, 3347, 'N', 'X', '4977', '9193', 'i', '8417', 'Q', 'K', '4875', '9559', 'X', '9861', 'J', 't', '1419', 'e', '1383', 'G', 'f', 7441, 9875, 'D', 'y', 'k', 7799, 'n', 'n', 'f']
[EX A]:
N, X, 4977, 9193, i, 8417, Q, K, 4875, 9559, X, 9861, J, t, 1419, e, 1383, G