In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[463, 3115, 'u', 'A', 5501, 'l', 2143, 'I', 'm', 4895, 'g', 6527, 8943, 817, '5715', '9265', '2019', '427', 'o', 'N', '7807', 'F', 'z', '783', '643', '7289', 'z', '2287', 'Z', '5435', 'N', '9137', 'F', 'c', 'u', 'n', 'W', 5699, 'U', 3077], [1707, 'h', 6859, 5093, '5715', '9265', '2019', '427', 'o', 'N', '7807', 'F', 'z', '783', '643', '7289', 'z', '2287', 'Z', '5435', 'N', '9137', 'F', 'c', 'u', 'k', 6387, 'N', 'N', 1501, 'r', 7099, 'J', 1875, 3603, 'u', 'm', 't', 3413, 'R', 6825, 7481, 2463, 'W', 'S']