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: [1201, 'x', 'Z', '1951', '6643', '4463', 'N', 'W', '4625', 'w', 'D', 3599, 'B', 2299], ['T', 'z', 'A', 'Z', '1951', '6643', '4463', 'N', 'W', '4625', 'w', 'T', 'M', 'M']

SOLUTION: Z, 1951, 6643, 4463, N, W, 4625, w

PROBLEM: ['a', 'e', 9605, 587, 'm', 9893, 1131, '95', 'c', '5817', 'y', 'C', 'l', '3381', 'Q', 2233, 's', 'U'], [4031, 'U', 6379, 'y', 'r', '95', 'c', '5817', 'y', 'C', 'l', '3381', 'G', 'f', 'g', 'k', 's', 'P', 'q']

SOLUTION:
95, c, 5817, y, C, l, 3381