In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['O', 'l', 'X', '8789', 'b', 'P', 'm', 9113, 7447, 9093], [9591, 3807, 'X', 'X', '8789', 'b', 'P', 'C', 8145]