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

Ex Input:
['q', 6247, 7691, 'M', 'i', 3857, 'J', '249', 'j', '3315', 'Y', 'q', 'K', 'B', 'h', 'M', 'i', '3947', '8559', '1833', 'q', 'x', '1469', '7579', '421', 'F', 'y', 'c', '9043', 'r', 'N', 'O', 'N', 'Z', 'a', 8713, 'a', 2717, 'y', 'l', 't', 1815, 9507, 1713, 'N'], ['Z', 7463, 6215, 'r', 43, 'h', 3841, 9317, 'J', 'x', 6735, 'b', '249', 'j', '3315', 'Y', 'q', 'K', 'B', 'h', 'M', 'i', '3947', '8559', '1833', 'q', 'x', '1469', '7579', '421', 'F', 'y', 'c', '9043', 'r', 'N', 'O', 'N', 'Z', 'Q', 'c', 'B', 9989, 'd', 875, 1185, 7121, 5559, 'k', 2289]

Ex Output:
249, j, 3315, Y, q, K, B, h, M, i, 3947, 8559, 1833, q, x, 1469, 7579, 421, F, y, c, 9043, r, N, O, N, Z


Ex Input:
['L', 'q', 'C', 'c', 6507, 'x', 'C', 8247, 2327, 'q', 9785, 'U', 1653, 5189, 1035, 5417, 7385, 3065, 8415, '765', 'D', 'Z', '2235', 'f', '6389', 'e', '4773', 'm', '6621', '1741', '3119', '9893', 'd', 's', '6143', '3079', '4281', 'T', '261', 'H', '7583', 'L', '8421', 'k', 'F', 9173, 'a'], [3971, 6169, '765', 'D', 'Z', '2235', 'f', '6389', 'e', '4773', 'm', '6621', '1741', '3119', '9893', 'd', 's', '6143', '3079', '4281', 'T', '261', 'H', '7583', 'L', '8421', 'H', 'y', 'G', 'a', 'W', 'v', 6451, 4577, 'f', 8945, 'N', 'd', 4649, 'E', 5397, 8145, 'y', 1997, 7353, 'c', 3473, 'k', 'Z', 8131]

Ex Output:
765, D, Z, 2235, f, 6389, e, 4773, m, 6621, 1741, 3119, 9893, d, s, 6143, 3079, 4281, T, 261, H, 7583, L, 8421


Ex Input:
['c', 5169, 3339, 'w', 'W', 9119, 'p', 'B', 9297, 6103, 'X', 1275, 'J', 4759, '6173', '1999', '7363', '5403', '8669', 'p', 'c', 'M', 'L', '9393', 'l', 'x', 'F', '2617', '4439', '3437', 'd', 'p', 'S', 6167, 7483, 3467], ['z', 3905, 889, 1959, 'v', 'R', 4601, 2283, 8287, 'j', 9913, 6737, '6173', '1999', '7363', '5403', '8669', 'p', 'c', 'M', 'L', '9393', 'l', 'x', 'F', '2617', '4439', '3437', 'O', 'E', 'g', 5579, 3235]

Ex Output:

6173, 1999, 7363, 5403, 8669, p, c, M, L, 9393, l, x, F, 2617, 4439, 3437