In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8261, 6575, 1991, 1103, 'S', 6329, 7611, 'n', 'd', 'a', 'b', 'x', '6513', '1813', '2473', 'j', 'T', '8055', 'I', 'V', '9397', '63', 'N', 'H', '6551', 'R', '8253', 'a', '4439', '5191', '8593', '7133', 'u', '2091', '6899', '5447', 'k', 8079, 'Q', 7949, 3689, 2195, 'C', 'p', 7761, 5541, 3665, 6021, 'r', 8537, 'M', 'N', 'Y', 7303, 2417, 6469, 'u'], [2893, 'Z', 'A', 4183, 'j', 'v', 6073, 'v', 1683, 'O', 'Z', 5511, 'G', 867, 8529, 'a', 5233, 901, 'Z', 1061, 1459, 1499, 9751, 5627, 'Q', 'a', 'b', 'x', '6513', '1813', '2473', 'j', 'T', '8055', 'I', 'V', '9397', '63', 'N', 'H', '6551', 'R', '8253', 'a', '4439', '5191', '8593', '7133', 'u', '2091', '6899', '5447', 'e', 4605, 'I', 'r', 'v', 8093, 'h', 6797, 999, 1267, 'H', 'R']