In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['f', 'O', 's', '321', 'i', 'S', 'f', '3259', 'd', 5001, 6485, 2843, 2331], [2525, 'q', 'B', 'K', 's', '321', 'i', 'S', 'f', '3259', 'F', 1205, 3557, 3759]