In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3439, 9495, 9023, 'a', 2703, 889, 7331, 9175, 4323, 'L', 'z', 'V', 5507, 8739, 's', 1429, 'i', 7427, 3313, 3411, 'w', 'w', 8267, '7067', '7367', 'h', '1315', 'a', 'B', 'd', 'G', '4493', '6085', 'k', 'X', '4287', 'P', '5153', '4969', '715', '2805', 'b', 'e', 'p', '5203', '2593', '4741', 'v', '5323', 'x', 'N', 'T', 10001, 'S', 'm'], [221, 'Y', 6335, 'G', 'i', 'u', 1959, 6153, 2375, 'w', 2653, 391, '7067', '7367', 'h', '1315', 'a', 'B', 'd', 'G', '4493', '6085', 'k', 'X', '4287', 'P', '5153', '4969', '715', '2805', 'b', 'e', 'p', '5203', '2593', '4741', 'v', '5323', 'x', 'N', 'A', 7717, 6323, 'H', 895, 8601, 9363, 'q', 'q', 'n', 6779, 'z', 7555, 'r', 3097, 9159]