TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['Y', 'T', 'S', 'w', 't', 2753, 2583, 'B', 1731, 'k', 5301, 'R', 'g', 5503, 1467, 'N', 'l', 'A', 'V', 2559, 'B', 5477, 9431, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'r', 857, 'P', 2433, 'F'], [1509, 3085, 'H', 2635, 5929, 'h', 8211, 'D', 6973, '6259', '7331', '9781', '945', 'S', '9147', '4263', '1371', 'c', '2595', 'W', 'N', 'T', 'l', 'X', 'T', 'e', '8731', 'A', 'V', '6643', 'k', 'S', 'R', 'c', 'R', 'e', 3481, 'Y', 7899, 'l', 4879]

SOLUTION: 6259, 7331, 9781, 945, S, 9147, 4263, 1371, c, 2595, W, N, T, l, X, T, e, 8731, A, V, 6643, k, S

PROBLEM: ['U', 2021, 9935, '873', 'T', '9883', 'y', 8789, 'v'], ['g', 7321, '873', 'T', '9883', 'p', 9721]

SOLUTION: 873, T, 9883

PROBLEM: [5483, 'L', 'H', 'l', 'k', 'H', 941, 9769, 'W', 7883, 281, 1113, 'j', 'x', 'A', '359', '4499', '2151', 'Z', '9263', 'Z', 'A', '1507', 'e', 'L', 'W', '6057', '4917', '9669', '5263', 'T', 849, 'c', 7369, 1483, 'J', 645, 'x', 'r', 'F', 2969, 'y', 2257], [3543, 3671, 3915, 633, 'x', 'A', '359', '4499', '2151', 'Z', '9263', 'Z', 'A', '1507', 'e', 'L', 'W', '6057', '4917', '9669', '5263', 'k', 785, 4397, 7061, 'l', 3789, 'G']

SOLUTION:
x, A, 359, 4499, 2151, Z, 9263, Z, A, 1507, e, L, W, 6057, 4917, 9669, 5263