In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['I', 'V', 3357, 'D', '7985', '5489', 'X', 'o', 'O', 'v', '8411', 'g', 'z', 9379, 6537, 'G', 4869, 'g'], ['E', 8107, 'e', 'R', 's', '7985', '5489', 'X', 'o', 'O', 'v', '8411', 'h', 'n']