TASK DEFINITION: In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
PROBLEM: [3099, 6093, 4271, 6819, 5389, 'u', 'X', 'e', 7511, 'W', 1089, 7755, 2839, 4489, 9439, 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'N', 6013, 9677, 759, 8765, 'r', 6787, 'G', 4705, 7571, 'Q', 'k', 4121, 'C', 'H', 'H', 4407, 'b', 'O', 'e'], [4829, 7255, 7697, 'C', 'y', 4555, 'X', 6141, 'b', 'X', 7179, 'W', 1425, 17, 8659, 'H', 'm', 355, 'b', 'u', 'Q', 'C', 'e', '9795', '8439', 'k', '4309', '4815', '7907', '1999', '8777', 'K', 'z', '6819', '199', '311', 'P', 'c', '7135', 'n', '7681', 'X', 'y', 'e', '6085', 'Z', 'J', 9911, 4879, 3849, 'J', 7507, 'n']

SOLUTION: e, 9795, 8439, k, 4309, 4815, 7907, 1999, 8777, K, z, 6819, 199, 311, P, c, 7135, n, 7681, X, y, e, 6085, Z

PROBLEM: ['R', 'Q', 'Q', 'e', 'C', 'U', 'T', '7509', '8471', 'S', 407, 793], ['G', 'D', 'C', 'U', 'T', '7509', '8471', 'l', 'r', 7861, 6959, 1617]

SOLUTION: C, U, T, 7509, 8471

PROBLEM: ['I', 5617, 'x', 'W', 'I', 6947, 't', '3535', '45', 'G', 'T', '7255', '9577', 'y', '8485', 'B', 'N', 'S', 'Z', '6979', 'V', 8953, 'A', 's', 1029, 'O', 'I', 'X'], [8975, 'Q', 'B', 301, 'U', 5449, 1271, 4341, 't', 'e', 5955, 'c', 3083, 't', '3535', '45', 'G', 'T', '7255', '9577', 'y', '8485', 'B', 'N', 'S', 'Z', '6979', 'x', 5561, 'O', 1525]

SOLUTION:
t, 3535, 45, G, T, 7255, 9577, y, 8485, B, N, S, Z, 6979