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

Ex Input:
['K', 6723, 7053, 'g', 6793, 'h', 'C', 'H', 'J', 'K', '1061', '9585', 'F', 'l', '5651', 'f', 'P', '9147', '5227', '2861', '6421', 'V', '1009', '6639', '3701', 'T', 'o', 'j', 5777, 3173, 'N', 'Q', 'O', 'm', 4693], ['r', 5349, 503, 'Q', 8435, 'Y', 6633, 'W', 'J', 'K', '1061', '9585', 'F', 'l', '5651', 'f', 'P', '9147', '5227', '2861', '6421', 'V', '1009', '6639', '3701', 'Q', 'Z', 8433, 'h', 8205, 'm', 6605, 5051, 'w', 'o', 3177, 't', 9005, 'v', 'G']

Ex Output:
J, K, 1061, 9585, F, l, 5651, f, P, 9147, 5227, 2861, 6421, V, 1009, 6639, 3701


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:
['r', 7149, 2175, '3399', '8691', 'P', 'D', 'Y', '5323', '6553', 'Q', 9787, 2247], ['d', 'b', 'F', 4493, 'M', 'P', '3399', '8691', 'P', 'D', 'Y', '5323', '6553', 'N', 701, 'e', 'A']

Ex Output:

3399, 8691, P, D, Y, 5323, 6553