In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['x', 'W', 7315, 6101, '7591', '5691', '1545', '6925', 'K', '3173', 'V', 'h', 'Z', 'F', 'v', 'E', '1943', 'T', 'g', 4175, 9899, 7245, 8085, 'l', 'Q', 'O', 'L', 1227, 'P', 607, 2207, 1297], [2331, 5543, 'j', 'J', 'h', 'O', 'z', 8191, 937, 'q', 5893, 7423, 'W', 809, '7591', '5691', '1545', '6925', 'K', '3173', 'V', 'h', 'Z', 'F', 'v', 'E', '1943', 'T', 'y', 'Q', 'f', 5029, 'r', 7233, 'Q']