In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['N', 325, 2055, 'N', 2883, 'Y', 7395, 7711, '4827', 'u', 'U', '8405', 'm', '8759', 'D', '6165', 'M', 'i'], ['V', 't', '4827', 'u', 'U', '8405', 'm', '8759', 'D', '6165', 'O', 'K']