In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.

Example Input: ['A', 8381, 'L', 'r', 8779, 8469, 'n', 'E', 'B', 659, 8495, 9403, 'g', 'H', 7973, 4665, 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'v', 'e', 2637, 6857, 'T', 'N', 9975, 8949, 7561, 4607, 'V', 9591, 'A'], ['a', 'C', 'X', 'J', 'w', 'F', 'b', 'W', 'L', '5385', '5525', 'i', 't', '1385', '4881', 's', 'x', 't', 'z', 'k', 'M', 'K', '2923', '4233', '7577', 'x', 'D', 'I', 4361, 'L', 'f', 9415, 'W', 41, 'e', 6565, 'W', 6563, 9523, 'e']
Example Output: W, L, 5385, 5525, i, t, 1385, 4881, s, x, t, z, k, M, K, 2923, 4233, 7577, x

Example Input: ['Y', 6449, 'w', 5543, 4639, 1899, 'd', 3489, 'x', 'c', 2891, 'H', 9885, 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'P', 'M', 'D', 'U', 6013, 5931, 2445, 'f', 7619, 'm', 6105, 'l'], [453, 583, 'Q', 5309, 2713, 'E', 5809, 'w', 'T', 9873, 4971, 8173, 1659, 2277, 'y', 8653, 1569, 'M', 't', 'N', 's', 'A', 'E', '3601', 'p', 'n', 'm', 'y', '6587', 'v', '247', 'k', '7529', 'T', '623', '8713', '7551', '3433', '7981', 'q', 'F', 'n', '3275', '3265', 'n', 'C', 'W', 'r', 'x', 'H', 3247, 'G', 'R', 7035, 6599, 'U', 't']
Example Output: t, N, s, A, E, 3601, p, n, m, y, 6587, v, 247, k, 7529, T, 623, 8713, 7551, 3433, 7981, q, F, n, 3275, 3265, n

Example Input: [1741, 9929, 'y', '5981', 'a', 5619], ['F', 6659, 'y', '5981', 'B', 'n']
Example Output:
y, 5981