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

Ex Input:
['X', 8541, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'r', 3095, 't', 'i', 5121, 2147, 'O', 4145, 1995, 'E', 'a'], ['g', 'v', 491, 'F', 'Q', 8013, 5789, 6119, 'p', 8193, 'G', 6543, 'n', 'f', 5239, 'z', 'A', '3985', '181', 'k', '6327', '4303', 'Q', '6295', 'i', 'b', 'A', 'h', 'f', '4947', 'N', '4649', 'S', '1957', '2921', '7817', 'i', 'y', 9617, 4351, 'X', 9425, 3497, 6049, 8113]

Ex Output:
z, A, 3985, 181, k, 6327, 4303, Q, 6295, i, b, A, h, f, 4947, N, 4649, S, 1957, 2921, 7817, i


Ex Input:
[2647, 'D', 'q', 'P', 6067, 3591, 1081, 'T', 2835, 5797, 7213, 7679, 'W', 4661, 7889, 9677, 3313, 7233, 9121, 2061, 'v', 'u', '325', '8069', '4691', '9597', 'O', '8811', '6583', 'M', '4393', '1767', 'v', '2707', '4419', 'Q', 'a', '3885', '1795', '9599', 'a', 547, 657, 5609], ['o', 8055, 'b', 345, 'k', 1237, 'R', 'M', 2177, 'V', 3921, 'k', 'o', 'z', 7451, 27, 'F', 8073, 'v', 'u', '325', '8069', '4691', '9597', 'O', '8811', '6583', 'M', '4393', '1767', 'v', '2707', '4419', 'Q', 'a', '3885', '1795', '9599', 'e', 9767, 1391, 'Q']

Ex Output:
v, u, 325, 8069, 4691, 9597, O, 8811, 6583, M, 4393, 1767, v, 2707, 4419, Q, a, 3885, 1795, 9599


Ex Input:
['W', 'd', 6601, 8921, '3291', '8673', '2893', '4911', '9267', 'Q', '8287', 'L', 2417, 2975, 9279], ['X', 'R', 'K', 'w', 497, 3615, 'I', '3291', '8673', '2893', '4911', '9267', 'Q', '8287', 'K', 'N']

Ex Output:

3291, 8673, 2893, 4911, 9267, Q, 8287