In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'O', 4819, 9245, 'a', 'o', 'e', 'd', '5957', '4393', '411', '7679', '549', 'Q', 'G', 'i', 5017, 'U', 8047, 2861, 341], ['O', 'C', 8929, 7559, 'F', 'd', '5957', '4393', '411', '7679', '549', 'Q', 'W', 'c', 4749, 'U', 'v', 'w', 'D']