In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['k', 9335, 'W', 9569, 'c', 785, 509, 'm', 'j', 'f', 'O', 'g', 1999, 'a', 'o', 9725, 9845, 'H', 'Q', 8031, 6635, '7369', 'i', 'y', 'P', '1323', 'q', '5403', 'X', 'g', 'w', 's', 'q', '3581', '4343', '1379', 'r', 'w', 'D', 'Q', '5009', '2257', 'H', '5405', '2341', 'J', '1369', '201', 't', 'z', 'T', 'W'], ['f', 8353, 'r', 7055, 'U', 7367, 4331, 'V', 6113, 'a', 135, 'c', 3937, 'F', 'm', 'r', 'w', 3153, 167, 7775, 9105, 'g', 'v', 1813, '7369', 'i', 'y', 'P', '1323', 'q', '5403', 'X', 'g', 'w', 's', 'q', '3581', '4343', '1379', 'r', 'w', 'D', 'Q', '5009', '2257', 'H', '5405', '2341', 'J', '1369', '201', 't', 'T', 'i', 7215, 't', 'S', 'i', 6107, 5189, 'O', 8903, 4857, 3013, 4295, 737, 'd', 'z', 9893, 'b', 'Z']