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

Ex Input:
[127, 'J', 'v', 6999, 'g', 'G', 1965, 'E', 8699, 7579, 9265, 6993, 'B', 'R', 'I', '8517', 'V', 'W', '7777', 'K', '4475', '2323', 'z', '7003', 'h', 'q', 'T', '6623', 'L', 851, 9385, 8367, 'J'], [1577, 'y', 121, 6195, 'B', 'R', 'I', '8517', 'V', 'W', '7777', 'K', '4475', '2323', 'z', '7003', 'h', 'q', 'T', '6623', 'T', 'M', 'l', 'D', 'z', 9687, 1645, 'W', 1249, 5527, 297]

Ex Output:
B, R, I, 8517, V, W, 7777, K, 4475, 2323, z, 7003, h, q, T, 6623

Ex Input:
[9889, 'I', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'm', 2573, 839, 'a', 'S', 9999, 'H', 135, 1089], ['Y', 'a', 9301, 'l', 'v', 'f', 'y', '3773', '4483', 'Y', '2325', 'M', '247', '8091', 'H', '3787', '3845', 'i', 'L', 't', '6949', '6019', '5929', 'Q', 9865, 7343, 741, 863, 'I', 'M', 'u']

Ex Output:
f, y, 3773, 4483, Y, 2325, M, 247, 8091, H, 3787, 3845, i, L, t, 6949, 6019, 5929

Ex Input:
[1219, 6091, 2107, 4827, 4827, 'e', 8605, '99', 'F', '8449', '2505', '805', 'O', 'O', 'W', 'O', '9497', '8641', 'T', 'B', '9821', '4533', '7273', 'e', '8249', '6019', 'd', 'd', 'z', 'l', '7159', 'T', 'i', 9727, 'W', 9599, 'q', 9555, 'j', 7595, 5097, 4681, 't', 'V', 8191, 'e', 'x'], [9559, 'U', 'i', 'z', 'J', 'J', 'k', 'o', 'y', 8663, '99', 'F', '8449', '2505', '805', 'O', 'O', 'W', 'O', '9497', '8641', 'T', 'B', '9821', '4533', '7273', 'e', '8249', '6019', 'd', 'd', 'z', 'l', '7159', 'U', 'x', 'u', 7873, 9953, 6001, 3761, 9573, 'F', 'b', 2123, 'M', 2011, 6473, 'b', 'E', 'o', 1217, 1967, 9411, 419, 953]

Ex Output:
99, F, 8449, 2505, 805, O, O, W, O, 9497, 8641, T, B, 9821, 4533, 7273, e, 8249, 6019, d, d, z, l, 7159