TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: ['U', 1887, '8423', 'j', '8053', 'g', '5441', 'H', 'j', 3847, 'd', 'J', 1971, 'M'], ['y', 'T', 'C', 'z', 6299, 5393, '8423', 'j', '8053', 'g', '5441', 'H', 'x', 'f', 4189, 'h', 'e', 6577]

SOLUTION: 8423, j, 8053, g, 5441, H

PROBLEM: [2803, 'l', 8379, 'r', 'b', 2363, 'P', 'K', 's', 3999, 't', 167, 'N', '9089', '4973', '7373', '8759', 'W', 'r', '6259', '9427', 'c', 'Q', '2311', '5829', 'O', '7913', '1539', 'r', 'e', 'd', '9025', 'M', 7681, 'e', 'm', 'a', 1365, 'm', 'm', 'v', 'P', 'M', 3649, 7257, 'q', 9843, 831, 'U', 'b'], ['A', 'm', 9121, 'h', 'p', 'k', 'P', 4077, 'd', 3595, 1689, 'D', 'C', 'l', 'I', 'Y', 'N', '9089', '4973', '7373', '8759', 'W', 'r', '6259', '9427', 'c', 'Q', '2311', '5829', 'O', '7913', '1539', 'r', 'e', 'd', '9025', 'K', 2849, 'i', 'K', 'N', 'u', 1811, 967, 2799, 'u', 'C', 637, 1911, 6151, 'L']

SOLUTION: N, 9089, 4973, 7373, 8759, W, r, 6259, 9427, c, Q, 2311, 5829, O, 7913, 1539, r, e, d, 9025

PROBLEM: [6017, 2621, 6643, 'i', 'n', 'O', '6775', '9963', '9393', '10031', 'b', 'j', '8283', 's', '1833', 'p', 'W', '1197', 'w', '59', 'j', '9139', 'S', 1937, 1293, 'i', 'r', 465, 4577, 'V', 5201, 'L', 3533, 'X', 7739, 6197, 4201, 'y', 'I', 'D'], [5459, 2117, 'H', 7885, 'n', 'O', '6775', '9963', '9393', '10031', 'b', 'j', '8283', 's', '1833', 'p', 'W', '1197', 'w', '59', 'j', '9139', 'W', 's', 1947, 'f', 'K', 9937, 4031, 3531, 'Q']

SOLUTION:
n, O, 6775, 9963, 9393, 10031, b, j, 8283, s, 1833, p, W, 1197, w, 59, j, 9139