TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5639, 'n', 'J', '9525', 'B', 'o', 's', 'P'], ['t', 893, 4667, '9525', 'B', 'o', 7501, 'z', 6255]

SOLUTION: 9525, B, o

PROBLEM: [7217, 5633, 8727, 'l', 's', 'u', 'T', 'F', 'n', 'L', 'G', 'K', 'S', '523', '9835', '1331', '7069', '9089', 'z', '8111', 'C', '7653', 'P', 'J', 7151, 'J', 1523, 'p', 369, 8817, 'N', 'B', 1305, 1271, 1349, 3329, 1437, 'p'], [595, 7009, 'f', 463, 'B', 'V', 7397, 'n', 'L', 'G', 'K', 'S', '523', '9835', '1331', '7069', '9089', 'z', '8111', 'C', '7653', 'P', 'Y', 'x', 7741, 4563, 'O', 'l', 'D', 'U', 5221]

SOLUTION: n, L, G, K, S, 523, 9835, 1331, 7069, 9089, z, 8111, C, 7653, P

PROBLEM: [2799, 'R', 's', '9885', 's', 'c', '7143', 'H', '445', 'F', 9229, 'B', 5169, 'T', 's'], [109, 'u', 'f', 2303, 1495, 5041, '9885', 's', 'c', '7143', 'H', '445', 'v', 7261]

SOLUTION:
9885, s, c, 7143, H, 445