TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [1249, 4091, 'E', 483, 'O', 8427, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'U', 2857, 's'], ['J', 'B', 8825, 9581, '5009', 'X', 'Q', '107', 'F', '6119', '4479', 'u', 'o', 'U', '4405', '1737', 'K', 'j', 'B', 'E', 'e', 'R', 'X', 1739, 'D', 1385, 'e', 6969]

SOLUTION: 5009, X, Q, 107, F, 6119, 4479, u, o, U, 4405, 1737, K, j, B

PROBLEM: [387, 577, 'j', 7891, 'N', 'W', 'V', 'n', 'A', '9835', '7109', '1637', '6825', 'J', '4143', 'a', '253', '2905', 'R', '1387', 'W', '4577', 'U', 'y', 'O', 1627, 5805, 8111], ['P', 'u', 'g', 'M', 6277, 'p', 'U', 'G', 211, 'o', 'd', 'V', 'n', 'A', '9835', '7109', '1637', '6825', 'J', '4143', 'a', '253', '2905', 'R', '1387', 'W', '4577', 'B', 'j', 8827, 'A']

SOLUTION: V, n, A, 9835, 7109, 1637, 6825, J, 4143, a, 253, 2905, R, 1387, W, 4577

PROBLEM: [4415, 843, 5487, 'p', 'S', 'y', 8471, 'q', 'q', 6559, 'k', 7929, 8543, '3297', 'e', '9943', 'W', 'X', '4913', 'X', 'w', '7401', 'F', '3495', 'g', 'y', 'P', 'Q', '3863', '8719', '9479', '5449', 'x', 'Y', 'n', '6857', 'e', 3673], ['q', 'B', '3297', 'e', '9943', 'W', 'X', '4913', 'X', 'w', '7401', 'F', '3495', 'g', 'y', 'P', 'Q', '3863', '8719', '9479', '5449', 'x', 'Y', 'n', '6857', 'h', 4811, 2245, 3187, 6893, 'o', 3495, 's', 9153, 5487]

SOLUTION:
3297, e, 9943, W, X, 4913, X, w, 7401, F, 3495, g, y, P, Q, 3863, 8719, 9479, 5449, x, Y, n, 6857