TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [2413, 'l', 'o', 9687, 3939, 6935, '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'z', 'I'], [4625, 6943, 'e', 'B', 'p', 'r', 'y', '7821', '9179', '8181', 'K', '4993', '4813', 'x', 'A', 'O', '2477', 'b', 'H', 'I', 'G', 'L', 8247, 'N', 8965, 8763, 'N', 'p', 7181, 'A', 'J', 'W']

SOLUTION: 7821, 9179, 8181, K, 4993, 4813, x, A, O, 2477, b, H, I

PROBLEM: [7299, 'v', 7279, 'o', 2589, 'K', '4943', '9427', '7945', '7645', '1709', '6515', '2249', 'l', 'n', 'f', '1935', 'e', 'f', '2977', '8835', 'p', '7753', 'U', '295', 'f', 1935, 'V', 9979, 3301, 'Z', 'J', 521, 871, 'Z', 'R', 7831, 'T', 'h', 3231, 'e', 2391], [7491, 'k', 4137, 'P', 'F', 8159, 'x', 6363, 2449, 7479, 6825, 7107, 'I', 2931, 7047, 9149, '4943', '9427', '7945', '7645', '1709', '6515', '2249', 'l', 'n', 'f', '1935', 'e', 'f', '2977', '8835', 'p', '7753', 'U', '295', 'g', 7147, 2657, 'Z', 'a', 503]

SOLUTION: 4943, 9427, 7945, 7645, 1709, 6515, 2249, l, n, f, 1935, e, f, 2977, 8835, p, 7753, U, 295

PROBLEM: [1099, 1917, 'r', 5699, 'X', 'Z', 'C', 2551, '1599', '2221', 'I', 'v', '5771', '4153', 'l', '5445', 'a', 5711, 'Z', 6739], ['r', 'G', 8791, 4847, 'V', 'U', '1599', '2221', 'I', 'v', '5771', '4153', 'l', '5445', 'C', 'W', 'C', 8753, 'Q', 9957, 'L']

SOLUTION:
1599, 2221, I, v, 5771, 4153, l, 5445