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

[5911, 'u', 6309, 9397, 9345, 7997, 'U', 'w', 'q', '7585', '3117', '4453', '3581', 'O', 'j', '3815', 'i', 'h', '1507', '3615', 'f', 'f', '2177', '3449', '1243', '5695', 'R', 'Z', 6167, 8919, 'M', 2389, 1105, 5255], ['d', 'F', 'w', 'q', '7585', '3117', '4453', '3581', 'O', 'j', '3815', 'i', 'h', '1507', '3615', 'f', 'f', '2177', '3449', '1243', '5695', 'e', 't', 8685, 'R', 'J', 5015, 8735, 'W', 5913]
w, q, 7585, 3117, 4453, 3581, O, j, 3815, i, h, 1507, 3615, f, f, 2177, 3449, 1243, 5695

['l', 8387, '6019', 'r', 't', 'Y'], ['S', 'q', '6019', 'r', 'Z', 9863]
6019, r

[6343, 1653, 7751, 'M', 2993, 2445, 'l', 'K', '2533', 'z', 'X', 'm', '5695', 'P', 'f', 'F', '2497', 'c', '373', 'A', 'Z', 'o', 'T', '1955', '2817', '1723', 'V', 't', 'b', 1441, 'G', 9681, 'N', 'd', 'B', 2647, 7467, 19, 5323, 9381, 'Y', 'V', 5733], ['j', 'x', 259, 9871, 4051, 3163, 4385, 'P', 'k', 2637, 'T', 9861, 1651, 5353, 525, 'K', '2533', 'z', 'X', 'm', '5695', 'P', 'f', 'F', '2497', 'c', '373', 'A', 'Z', 'o', 'T', '1955', '2817', '1723', 'V', 'F', 'L', 6179, 6981, 5579, 'x', 631, 9423, 9923, 'L', 6965, 8613, 'y', 'e', 'r', 'q']

K, 2533, z, X, m, 5695, P, f, F, 2497, c, 373, A, Z, o, T, 1955, 2817, 1723, V