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

Ex Input:
[4143, 9623, 'k', 'Z', 1355, 4371, 5553, 'U', 8081, 843, 7307, 8537, 841, 6443, 9873, 'b', 4969, 1189, 9481, 9225, 6739, 4269, 3997, 9511, '5641', '8319', '5809', 'F', '7875', '8699', 'p', '1431', 'K', 'R', '53', '4049', 'b', 'b', '5823', 'E', '1073', '8199', '6801', '8501', '1971', '6131', '4225', '847', 'N', 4305, 'M', 2381, 'W', 7817, 'x', 7221, 4341, 'k', 4235, 'z', 9923, 'w', 'c', 7701, 'k', 6841, 9359], [831, 8989, 'O', 9915, 829, 'y', 2567, 8737, 'P', 1805, 'u', 'b', 3579, 6313, 455, 'E', 1193, 2669, 6121, 7167, 'P', '5641', '8319', '5809', 'F', '7875', '8699', 'p', '1431', 'K', 'R', '53', '4049', 'b', 'b', '5823', 'E', '1073', '8199', '6801', '8501', '1971', '6131', '4225', '847', 'G', 1015, 'c', 6677, 8939, 2951, 'L', 'd', 5797, 2413, 7741, 3025, 5391]

Ex Output:
5641, 8319, 5809, F, 7875, 8699, p, 1431, K, R, 53, 4049, b, b, 5823, E, 1073, 8199, 6801, 8501, 1971, 6131, 4225, 847

Ex Input:
[2389, 1227, 'v', 2701, 5365, 'C', 'T', 4909, 'f', 5507, 'x', 4791, 9815, 'Y', '7579', 'F', 'M', '1193', 'L', '8619', '7713', '9917', '2751', '9845', '1395', '6667', 'd', 'F', '8595', 'U', '1891', '6595', 's', 'x', 'W', 'p', 'Z', 'j', '4475', 'j', '2077', 'G', 49, 9519, 7577, 9555, 283, 803, 8999, 'Z', 867, 9103, 'm', 'J', 'M', 'G', 7561, 179, 'Q', 9789, 163, 5773, 3305, 'w', 8611, 9897], ['r', 5979, 8571, 1269, 'p', 5027, 'w', 9363, 'j', 2449, '7579', 'F', 'M', '1193', 'L', '8619', '7713', '9917', '2751', '9845', '1395', '6667', 'd', 'F', '8595', 'U', '1891', '6595', 's', 'x', 'W', 'p', 'Z', 'j', '4475', 'j', '2077', 'P', 'e', 'z', 8561, 'g', 8125, 'a', 3265, 2003, 5175, 5873, 'L', 3443, 'K', 'Q', 5099, 8433, 8947, 397, 37, 889, 2105]

Ex Output:
7579, F, M, 1193, L, 8619, 7713, 9917, 2751, 9845, 1395, 6667, d, F, 8595, U, 1891, 6595, s, x, W, p, Z, j, 4475, j, 2077

Ex Input:
[3523, 1243, 6733, 'g', 2603, 5457, 'y', 'l', 'k', 6565, 'i', 9237, 4929, 'i', '4221', '943', '8445', 'W', 'q', 'A', '627', '8157', '7789', '7129', 'd', '9283', 'B', '8851', '5293', '9457', 'x', '2153', 'A', 'U', 'B', 8601, 'y', 4823, 3409, 'K', 7029, 'G', 6715, 505], ['B', 'K', 'i', 'i', '4221', '943', '8445', 'W', 'q', 'A', '627', '8157', '7789', '7129', 'd', '9283', 'B', '8851', '5293', '9457', 'x', '2153', 'A', 'F', 'f', 3133, 'T', 'q', 6789, 'D', 6239, 'm', 7991, 9059, 4941, 4681, 5751, 6483, 'h', 'q', 5285, 8567, 3031]

Ex Output:
i, 4221, 943, 8445, W, q, A, 627, 8157, 7789, 7129, d, 9283, B, 8851, 5293, 9457, x, 2153, A