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', 8541, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'r', 3095, 't', 'i', 5121, 2147, 'O', 4145, 1995, 'E', 'a'], ['g', 'v', 491, 'F', 'Q', 8013, 5789, 6119, 'p', 8193, 'G', 6543, 'n', 'f', 5239, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'y', 9617, 4351, 'X', 9425, 3497, 6049, 8113]

SOLUTION: z, A, 3985, 181, k, 6327, 4303, Q, 6295, i, b, A, h, f, 4947, N, 4649, S, 1957, 2921, 7817, i

PROBLEM: ['d', 6717, 1947, 'n', 8773, 'E', 7607, 1719, 6751, 'L', 't', '3149', 'y', '7897', 'L', 'J', '9557', '6413', 'H', 'q', '3055', '5967', '9411', '7869', '8277', '7533', 'H', '9713', '5981', 'a', '2937', 'k', 7289, 9515, 'G', 'q'], ['W', 8869, 't', 3453, 9177, 'G', 'M', 5171, 'O', 'C', 5097, 'H', 'M', 'U', 4167, 3051, 7487, 7483, 4945, '3149', 'y', '7897', 'L', 'J', '9557', '6413', 'H', 'q', '3055', '5967', '9411', '7869', '8277', '7533', 'H', '9713', '5981', 'a', '2937', 'C', 9799, 6659, 's', 6881, 'w']

SOLUTION: 3149, y, 7897, L, J, 9557, 6413, H, q, 3055, 5967, 9411, 7869, 8277, 7533, H, 9713, 5981, a, 2937

PROBLEM: ['Y', 5323, 4007, 139, 'N', 'j', 'x', 'W', 'q', '5311', 'N', 'n', 'k', '7689', 'H', 'b', '9985', 'T', '3549', '6157', '2479', '7247', '1921', '1489', 'v', 'y', '6649', 'b', '9205', 'V', '8219', '3963', 'F', '7167', 'x', 'X', 'X', 2161], [8503, 's', 8523, 'j', 'x', 'W', 'q', '5311', 'N', 'n', 'k', '7689', 'H', 'b', '9985', 'T', '3549', '6157', '2479', '7247', '1921', '1489', 'v', 'y', '6649', 'b', '9205', 'V', '8219', '3963', 'F', '7167', 'c', 4665, 9045, 'd', 'G', 2073]

SOLUTION:
j, x, W, q, 5311, N, n, k, 7689, H, b, 9985, T, 3549, 6157, 2479, 7247, 1921, 1489, v, y, 6649, b, 9205, V, 8219, 3963, F, 7167