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

[EX Q]: [891, 1259, 'q', 9801, 3147, 1589, 'u', 'm', 'd', 21, 'm', 'E', 'a', 'K', 'N', '1387', 't', 'w', 'c', 'F', '2369', '2875', 'P', 'B', 'J', '9801', 'j', '6919', 'y', '3757', 'e', 'R', '7811', 'x', 't', '7071', 'W', 'b', 7489, 'B', 'z', 'r'], [8553, 'f', 5473, 9933, 'i', 'L', 'Z', 'r', 1103, 'a', 'H', 9257, 1277, 5689, 6551, 8359, 9607, 'E', 'a', 'K', 'N', '1387', 't', 'w', 'c', 'F', '2369', '2875', 'P', 'B', 'J', '9801', 'j', '6919', 'y', '3757', 'e', 'R', '7811', 'x', 't', '7071', 'W', 'i', 'E', 'V', 'S', 6121, 'q', 't', 'U', 1311, 'q', 3583, 7505, 265, 3415, 'j', 'w']
[EX A]: E, a, K, N, 1387, t, w, c, F, 2369, 2875, P, B, J, 9801, j, 6919, y, 3757, e, R, 7811, x, t, 7071, W

[EX Q]: [8903, 3375, 'w', 1053, 3561, 'm', 'n', 525, 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'k', 6765, 'Z', 10011, 'r', 983, 'm', 1725, 4499, 'b', 'w', 4247, 3031, 2341, 'K', 5849, 8609, 'b', 'Q', 9443], [4217, 7417, 7593, 7021, 'x', 'n', 'w', 'G', 'p', 1559, 5043, 's', 'x', 1433, 'U', 6581, 'w', 5419, 'M', 'X', '405', 'm', 's', '1099', '2317', 'O', '2573', 'l', '3259', '4463', '9185', '3407', 'v', '9943', 'C', 'M', 'O', '3067', '2717', 'W', 'B', '5015', 'm', '6297', '301', 'n', 7429, 1747, 'f', 'Q', 7365, 'X', 'r', 'f', 1747, 'H', 'w', 7691, 'Y']
[EX A]: X, 405, m, s, 1099, 2317, O, 2573, l, 3259, 4463, 9185, 3407, v, 9943, C, M, O, 3067, 2717, W, B, 5015, m, 6297, 301

[EX Q]: ['d', 10021, 8031, 9611, 9407, 'k', 'z', '2015', 'C', '3207', 'K', 't'], [6823, 5767, 's', 'k', 'z', '2015', 'C', '3207', 'D', 197, 'q', 'f', 'z']
[EX A]:
k, z, 2015, C, 3207