In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
--------
Question: [2687, 7971, 2141, 'X', 'z', 1281, 'K', 6109, 7773, 'P', 5247, 'j', 'K', 5225, 'c', 4401, 'Z', 'j', 'Y', '4799', 'h', '5519', 'n', '3231', 'l', '3003', 'F', '5599', 'J', 'q', 'r', '889', 'e', '9805', 'X', 'B', 'k', 4913, 5483, 1465, 'F', 9669, 'i', 'L', 'q', 'n'], ['k', 'g', 'e', 'I', 'v', 97, 'N', 'j', 'Y', '4799', 'h', '5519', 'n', '3231', 'l', '3003', 'F', '5599', 'J', 'q', 'r', '889', 'e', '9805', 'X', 'H', 7153, 7967, 'u', 7859, 1387, 7361]

Answer: j, Y, 4799, h, 5519, n, 3231, l, 3003, F, 5599, J, q, r, 889, e, 9805, X


Question: ['y', 'b', 'A', 'K', 887, '9169', '1575', '5233', '1749', '5739', 'A', 'V', 8989], [3381, 5213, 9463, 8631, 2091, '9169', '1575', '5233', '1749', '5739', 'h', 1679, 8181]

Answer: 9169, 1575, 5233, 1749, 5739


Question: ['b', 's', '3351', 'a', 'd', 'm'], [3179, 'R', '3351', 'a', 7701, 9973]

Answer:
3351, a