In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[1505, 'm', 'Z', 6699, 'f', 'T', 'J', 'e', 8065, 'B', '7273', '8637', 'q', '7907', 'W', '1839', '2661', 'Z', 'g', '4811', '9083', 'Z', '2289', 'Y', '9523', 'b', 'f', 'Q', '1567', 'p', 'C', 'l', 'I', 'B', '4583', 'h', 'v', 'b', 't', 'P', 'Q', 8677, 7033, 7187, 'H', 'j', 'W', 'J', 'U', 'A', 3859, 'e', 5613, 4095, 'M', 'd', 6713, 'h', 'W', 7775], [8825, 903, 'I', 'n', 'k', 6291, 2265, 927, 'W', 6491, 'O', 6673, 1017, 'B', '7273', '8637', 'q', '7907', 'W', '1839', '2661', 'Z', 'g', '4811', '9083', 'Z', '2289', 'Y', '9523', 'b', 'f', 'Q', '1567', 'p', 'C', 'l', 'I', 'B', '4583', 'h', 'v', 'b', 'j', 'y', 'F', 5099, 547, 'k', 4457]