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

[EX Q]: ['W', 'Y', 'y', 'A', 'm', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'H', 2451, 'x', 3307, 'A', 7121, 'b', 3319], ['M', 'L', 5827, 'I', 'r', 'f', '6915', '3285', 'd', '1035', 'H', 'J', '7549', 'P', '5301', 'q', '4057', 'H', '5697', 'H', '5141', 'N', 3371, 691]
[EX A]: 6915, 3285, d, 1035, H, J, 7549, P, 5301, q, 4057, H, 5697, H, 5141

[EX Q]: [901, 'l', '4509', '5969', '517', 'T', 'G', '3221', 'E', 'f', 'c', '7993', 'R', 'I', 'g', 'R', 'r', 1103, 9941, 'A', 'b'], [9075, 'z', 'w', '4509', '5969', '517', 'T', 'G', '3221', 'E', 'f', 'c', '7993', 'R', 'I', 'G', 245, 865, 'x', 2117, 'G', 'w', 'Q', 6337, 'I', 'B']
[EX A]: 4509, 5969, 517, T, G, 3221, E, f, c, 7993, R, I

[EX Q]: ['G', 'v', 7169, 'v', '1191', '7861', '3791', '5147', 't', 'P', '5623', '3007', '3435', 'J', 'N', 5903, 'm'], ['G', 'X', 'C', 9327, 1467, '1191', '7861', '3791', '5147', 't', 'P', '5623', '3007', '3435', 'T', 'c', 'b', 6569]
[EX A]:
1191, 7861, 3791, 5147, t, P, 5623, 3007, 3435