TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['s', 1853, 'h', 'T', 'f', 'N', 'c', 643, 8659, 'E', 'v', 'A', 't', 779, 'S', 'p', 'A', '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'X', 1613, 't', 'Q', 747, 'F', 9819, 7747, 7059, 509, 1169, 'z', 9807, 4297, 7399, 7009, 'z', 'L', 3495, 'c', 'l', 'd', 'A'], ['C', 4481, 'H', 3327, 7321, '9745', '2013', 'o', '9115', 'Y', 'f', 'l', '9683', '4447', 'G', 'W', '3807', '6689', '3789', '9207', '4683', 's', '6555', '7405', 'F', '7739', '3145', '8895', '2515', 'F', 'o', 'O', 2361, 9341]

SOLUTION: 9745, 2013, o, 9115, Y, f, l, 9683, 4447, G, W, 3807, 6689, 3789, 9207, 4683, s, 6555, 7405, F, 7739, 3145, 8895, 2515

PROBLEM: [987, 885, 2111, 'P', 'e', 'h', 'h', 'C', 'P', 'V', '4563', 'E', 'J', 'M', 'n', 'C', 'Q', 'P', 'k', 'S', 'M', '8993', '8675', '6707', 'Q', 'r', '4351', 'Q', 'q', 'a', 6295, 1061, 1619, 3509, 8583, 'f', 1157, 5365, 'l', 'x', 'B', 'U', 141, 5753, 'F', 7595, 'H'], [8245, 137, 5887, 1267, 5851, 'n', 7393, 'f', 9739, 9983, 'h', 'h', 'C', 'P', 'V', '4563', 'E', 'J', 'M', 'n', 'C', 'Q', 'P', 'k', 'S', 'M', '8993', '8675', '6707', 'Q', 'r', '4351', 'Q', 'q', 'F', 'k', 3463, 'U', 3587, 't', 'j', 'q', 'M', 1213, 9955, 'h', 9779, 'l', 8839, 'G', 8477, 9341, 6071, 'm']

SOLUTION: h, h, C, P, V, 4563, E, J, M, n, C, Q, P, k, S, M, 8993, 8675, 6707, Q, r, 4351, Q, q

PROBLEM: ['n', 'Y', 'U', 'k', 'a', 'U'], [8791, 'e', 'U', 'k', 'e', 'm']

SOLUTION:
U, k