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

Example Input: ['Q', 'N', 'm', 'L', 2015, 'W', 'D', 'd', 'c', 'Q', 'I', 'N', 'W', 'j', 'A', 6921, 'X', 'H', 'N', 'l', 'U', 'p', '4397', 'X', '1559', '167', 'i', '8689', '9273', 'J', 'r', 'a', 'K', '5511', 'R', 'z', 'T', 'f', 'V', 'E', 'V', 6753, 'z', 2281, 'Y', 7397, 115, 3973, 8083, 6475, 'L', 'z', 5969, 3581, 'm', 3171, 3211], ['R', 5629, 'k', 3959, 'R', 'O', 'U', 'V', 'N', 'o', 3345, 'P', 4317, 'M', 'g', 8331, 'v', 'T', 'R', 'Y', 'X', 'H', 'N', 'l', 'U', 'p', '4397', 'X', '1559', '167', 'i', '8689', '9273', 'J', 'r', 'a', 'K', '5511', 'R', 'z', 'T', 'f', 'r', 'u', 9505, 3363, 4823, 'w', 'i', 'B', 'Q', 'Y', 'H', 'R', 2991, 's', 'U', 5579, 'C', 'F', 'E', 'j', 'P']
Example Output: X, H, N, l, U, p, 4397, X, 1559, 167, i, 8689, 9273, J, r, a, K, 5511, R, z, T, f

Example Input: [7299, 'v', 7279, 'o', 2589, 'K', '4943', '9427', '7945', '7645', '1709', '6515', '2249', 'l', 'n', 'f', '1935', 'e', 'f', '2977', '8835', 'p', '7753', 'U', '295', 'f', 1935, 'V', 9979, 3301, 'Z', 'J', 521, 871, 'Z', 'R', 7831, 'T', 'h', 3231, 'e', 2391], [7491, 'k', 4137, 'P', 'F', 8159, 'x', 6363, 2449, 7479, 6825, 7107, 'I', 2931, 7047, 9149, '4943', '9427', '7945', '7645', '1709', '6515', '2249', 'l', 'n', 'f', '1935', 'e', 'f', '2977', '8835', 'p', '7753', 'U', '295', 'g', 7147, 2657, 'Z', 'a', 503]
Example Output: 4943, 9427, 7945, 7645, 1709, 6515, 2249, l, n, f, 1935, e, f, 2977, 8835, p, 7753, U, 295

Example Input: [3857, 6299, 8757, 'Y', 3639, 'f', 6957, 's', 8077, 'h', 'E', 4515, 3909, 3005, '6217', 'd', '6163', '5899', '8949', '449', '5163', 'x', 'K', 'a', '2143', '8829', 'E', '8163', '6637', 'j', '7415', 'G', 'P', '2887', 'q', 'j', '9735', 'c', 'J', 't', '755', 'x', 'U', 2951, 793, 9771, 'U', 2565, 'Q', 7905, 8863, 647, 'm', 'L', 'E', 235, 'a', 'w'], ['Q', 'Y', 'S', 4641, 2855, 'N', 1567, 7355, 8387, 5297, 'G', 8959, 9861, 3599, 7969, 't', 2045, 'j', 'W', 8875, 2891, '6217', 'd', '6163', '5899', '8949', '449', '5163', 'x', 'K', 'a', '2143', '8829', 'E', '8163', '6637', 'j', '7415', 'G', 'P', '2887', 'q', 'j', '9735', 'c', 'J', 't', '755', 'W', 'K', 923, 9053, 'G', 'E', 'j', 'u', 'n']
Example Output:
6217, d, 6163, 5899, 8949, 449, 5163, x, K, a, 2143, 8829, E, 8163, 6637, j, 7415, G, P, 2887, q, j, 9735, c, J, t, 755