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

[EX Q]: [6423, 'w', 'K', 'm', 'S', 'X', '8857', 'r', '9809', 'a', 'g', '7297', 'H', 'Q', 'W', 'I', 'm', '3277', 'm', 'W', 'L', 'H', 'S', 'X', 'y', 2479, 'p', 'B', 7193, 8327, 'X', 8547, 2261, 'X', 477, 535, 'w', 'f', 2923], [5389, 6751, 'F', 'l', 9579, 'A', 'S', 'X', '8857', 'r', '9809', 'a', 'g', '7297', 'H', 'Q', 'W', 'I', 'm', '3277', 'm', 'W', 'L', 'H', 'O', 't', 8821, 'H', 3919, 7667, 'x', 'v', 4035, 3179, 9235, 5679, 'c', 'P']
[EX A]: S, X, 8857, r, 9809, a, g, 7297, H, Q, W, I, m, 3277, m, W, L, H

[EX Q]: [7855, 367, 8647, 9917, 9089, 'U', 5329, 'V', 9419, 3843, 'M', '7745', 'N', 'B', 'm', 'V', 'q', '449', '7315', 'd', '4821', '1535', '2733', '713', '9271', 'Y', '5605', '8443', '6643', 'K', 'D', 'D', 7465, 'M', 'T', 3699, 'b', 8885, 'L', 'k'], ['p', 9677, 'R', 23, 1797, 2241, 4425, 1705, 'Z', 'C', 2803, 'S', 'N', 911, 567, 2169, 'k', '7745', 'N', 'B', 'm', 'V', 'q', '449', '7315', 'd', '4821', '1535', '2733', '713', '9271', 'Y', '5605', '8443', '6643', 'K', 'W', 'J', 3419]
[EX A]: 7745, N, B, m, V, q, 449, 7315, d, 4821, 1535, 2733, 713, 9271, Y, 5605, 8443, 6643, K

[EX Q]: ['Z', 'U', 3799, 'j', 9667, 3319, 3523, 'h', 'C', 'o', 1689, 'r', 'k', '5987', 'c', 't', '9683', 'm', 'H', 'D', 'O', 'P', '9571', 'H', '1811', 'w', 'l', '2647', 'V', '7367', 'Y', '3045', 'y', '6841', 'S', 'A', '6673', 'v', 'A', 'h', 'o', 'S'], ['A', 8039, 5323, 'b', 5145, 4199, 7925, 6361, 'p', 751, 'x', 'H', 'p', 'I', 2173, 6769, 9391, 'p', '5987', 'c', 't', '9683', 'm', 'H', 'D', 'O', 'P', '9571', 'H', '1811', 'w', 'l', '2647', 'V', '7367', 'Y', '3045', 'y', '6841', 'S', 'A', '6673', 'v', 'A', 'h', 'B', 637, 1997, 6671, 't', 'e', 'J', 'F', 'j']
[EX A]:
5987, c, t, 9683, m, H, D, O, P, 9571, H, 1811, w, l, 2647, V, 7367, Y, 3045, y, 6841, S, A, 6673, v, A, h