In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4175, 'P', 1043, 2231, 'm', 'O', 6373, 2655, 'q', 'O', '1443', '5295', 'C', '3697', 'z', 'q', 'U', 'K', '4255', '9325', 'K', 7023, 's', 901, 1587, 8715, 2669, 1001, 8947], ['q', 'e', 6667, 2411, 3715, 'C', 8279, 7795, 'E', 'K', 'q', 'O', '1443', '5295', 'C', '3697', 'z', 'q', 'U', 'K', '4255', '9325', 't', 9541, 6031, 'B', 'm', 't', 8941, 'S', 4115, 'u']