TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [5555, 'e', 'k', '4653', 'S', 'q', 'o', 'z'], [8655, 3981, 'k', '4653', 'S', 'q', 'k', 8991, 8619, 's']

SOLUTION: k, 4653, S, q

PROBLEM: ['w', 3897, 'U', 'a', '455', '6499', '8975', '9003', 'O', 'j', 'T', 'P', 'C', 'z', 5141, 1751, 6731, 'r'], ['B', 8071, 703, 'G', 885, 'Z', 2391, 1749, 4177, 'U', 'a', '455', '6499', '8975', '9003', 'O', 'j', 'T', 'D', 8751, 'y', 2941]

SOLUTION: U, a, 455, 6499, 8975, 9003, O, j, T

PROBLEM: [3479, 'm', '7761', 'K', 'q', 'u', 'C', 'N', '213', '8445', 'D', 'N', 7113, 'w', 3005, 'y', 7885, 4145, 'Y'], [2331, 1029, 2895, 1513, 6557, '7761', 'K', 'q', 'u', 'C', 'N', '213', '8445', 'D', 'i', 433, 1285]

SOLUTION:
7761, K, q, u, C, N, 213, 8445, D