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: ['L', 'V', 5597, 1661, 'x', 'M', 3901, 'Y', 7525, 'r', 'P', 3031, 'b', 'y', '951', 'E', 'Q', 'n', '5797', '6551', '7545', '523', '6555', '3247', '1875', '5', '2955', 'y', 9635, 9141, 't', 7363, 1359, 'H', 5619], [6813, 7119, 'b', 'y', '951', 'E', 'Q', 'n', '5797', '6551', '7545', '523', '6555', '3247', '1875', '5', '2955', 'w', 2701, 'f', 9769, 6265, 6111, 'n', 5757, 915, 1583, 'N']

SOLUTION: b, y, 951, E, Q, n, 5797, 6551, 7545, 523, 6555, 3247, 1875, 5, 2955

PROBLEM: ['K', 'x', 8473, 4921, 'M', 'B', 'i', '9333', 'K', '3571', 'o', '301', 'L', 'B', 'b', 851], ['f', 'R', 3077, 'M', 'P', 'i', '9333', 'K', '3571', 'o', '301', 'L', 'B', 'O', 1217]

SOLUTION:
i, 9333, K, 3571, o, 301, L, B