TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5173, 6195, 's', '1739', 'z', '6701', '4055', '10017', '9615', '8077', 'I', '2899', 'm', 'H', '8731', '4099', '333', '4715', 'K', '1037', 'k', 'L', 'M', 1893, 'X', 'e'], ['k', 8023, 'R', 'D', 7703, 'l', 7021, 195, 307, 'H', 365, 8069, 559, 8195, 'g', 's', '1739', 'z', '6701', '4055', '10017', '9615', '8077', 'I', '2899', 'm', 'H', '8731', '4099', '333', '4715', 'K', '1037', 'k', 'l', 'o', 4179, 'O', 'Z', 'g', 1391, 's', 10005, 2651, 'D', 9085, 'y', 'L', 'L']

SOLUTION: s, 1739, z, 6701, 4055, 10017, 9615, 8077, I, 2899, m, H, 8731, 4099, 333, 4715, K, 1037, k

PROBLEM: ['m', 'J', 'X', '8931', 'u', 'm'], ['V', 3299, 'X', '8931', 'Z', 6965]

SOLUTION: X, 8931

PROBLEM: ['c', 'O', 1101, 8021, 2701, 'R', 'T', 9521, 'R', '9541', 'H', 'Z', 'O', 'U', 'Y', '457', '5765', 'y', 'U', 'O', 'I', '8965', 'U', 2133, 4941, 'k', 'I', 'X', 3669, 'X', 4315, 'Q', 5763, 'F'], [4267, 8531, 9517, 'Q', 7557, 1473, 6619, 189, 'T', 'j', 'G', 6653, 'R', '9541', 'H', 'Z', 'O', 'U', 'Y', '457', '5765', 'y', 'U', 'O', 'I', '8965', 'd', 3621, 5547, 'd', 2253, 777, 6139, 9213, 'l', 'd', 9975, 'z', 'F', 'E']

SOLUTION:
R, 9541, H, Z, O, U, Y, 457, 5765, y, U, O, I, 8965