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

Ex Input:
['a', 4905, 8389, 9641, 'q', 'K', '1119', 'F', 'N', 'R', '3705', '2745', 'L', '2995', '6385', '1891', 'O', '6759', '2279', 'N', '9215', '5361', 'a', '2215', 'O', '9183', '8603', '1437', '9245', 'F', 'v', 5681, 'Q', 5143, 8875, 'i', 5537, 'f', 'J', 'j', 8747, 'K', 'f', 'z', 983, 'g', 8105, 'q', 4679, 2409], ['G', 'k', 'B', 'm', 'W', 3523, 9719, 'f', 8921, 'N', 6185, 'p', 7841, 'T', 'K', '1119', 'F', 'N', 'R', '3705', '2745', 'L', '2995', '6385', '1891', 'O', '6759', '2279', 'N', '9215', '5361', 'a', '2215', 'O', '9183', '8603', '1437', '9245', 'd', 's', 4795, 'P', 'e', 9789, 9769, 's', 8079, 5909, 8059, 'j', 'o', 'B', 'Z', 6147, 2177, 'L', 'a']

Ex Output:
K, 1119, F, N, R, 3705, 2745, L, 2995, 6385, 1891, O, 6759, 2279, N, 9215, 5361, a, 2215, O, 9183, 8603, 1437, 9245

Ex Input:
['h', 'F', 6393, 'n', 'T', 'k', 'r', 'e', 'Q', '329', 'G', '1763', 'L', '5625', 'T', 'i', '3085', 'E', '6801', 'K', 'F', 1277, 747, 'h', 'w', 8727, 'v', 7473, 'I', 6133, 4391, 'Q'], [1285, 'b', 3221, 6991, 'P', 'A', 'C', 1523, 'E', 'e', 'r', 'e', 'Q', '329', 'G', '1763', 'L', '5625', 'T', 'i', '3085', 'E', '6801', 'l', 4325, 'F', 1695, 'r', 6345, 1697]

Ex Output:
r, e, Q, 329, G, 1763, L, 5625, T, i, 3085, E, 6801

Ex Input:
['B', 'D', 'x', 's', 3243, 'C', 3871, 567, 'R', 7863, 'N', 6665, '1013', '7629', '4219', 'f', '8397', '6085', 's', '4009', '1249', '9231', 'x', 'B', '4875', 'b', 'J', 'W', '6491', 'A', 8385, 4165, 'a', 9907, 'W', 9439, 'T'], [6947, 'P', 2261, 'F', 4969, 2341, 4031, 247, 1287, '1013', '7629', '4219', 'f', '8397', '6085', 's', '4009', '1249', '9231', 'x', 'B', '4875', 'b', 'J', 'W', '6491', 'S', 'L', 'B', 9727, 'W', 'o', 'y', 8819, 'u', 967, 'h', 'I']

Ex Output:
1013, 7629, 4219, f, 8397, 6085, s, 4009, 1249, 9231, x, B, 4875, b, J, W, 6491