TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['X', 1863, 6105, 'n', 8419, 6469, 'u', 'p', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'B', 9885], ['l', 'L', 'S', 'p', 'j', '1641', '1413', '6389', '7069', '1333', 'q', '9609', 'D', '843', '2667', '223', '6689', 'F', 5539, 'C', 1383, 'n', 9991]

SOLUTION: 1641, 1413, 6389, 7069, 1333, q, 9609, D, 843, 2667, 223, 6689

PROBLEM: [5703, 'd', 2573, 'V', 9273, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 'Z', 'J', 'C', 'O', 6077, 1125, 1345, 8989], ['f', 59, 8449, 5387, 8075, 9721, 5271, '7133', 'O', '6191', '6151', '5017', 'c', 'b', '1721', 2375, 3141, 'Z', 'Y', 'N']

SOLUTION: 7133, O, 6191, 6151, 5017, c, b, 1721

PROBLEM: ['A', 957, 4075, 6385, 'y', 'D', 'X', 4831, 9337, 'E', 'N', 'I', '5869', 'X', '4653', '3707', 'F', 'y', '9107', '5087', 't', 'f', 'U', 'q', 4833, 1175, 9571, 7243, 9543], ['Q', 'D', 'N', 'I', '5869', 'X', '4653', '3707', 'F', 'y', '9107', '5087', 'D', 'G', 'P', 9083, 'Z', 'x', 1317]

SOLUTION:
N, I, 5869, X, 4653, 3707, F, y, 9107, 5087