In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['z', 'X', 9459, 5971, 'g', 5967, 'd', 'D', 'C', 'H', 'k', 'K', '8057', 'I', 'c', '9997', 'V', 'u', 'P', '1393', '9563', 'W', 'D', '7033', '231', '2313', 'S', '3815', 'v', '9257', 'L', 'O', 'o', 'j', 'z', 4703, 'X'], [1955, 7731, 'B', 'y', 'H', 'k', 'K', '8057', 'I', 'c', '9997', 'V', 'u', 'P', '1393', '9563', 'W', 'D', '7033', '231', '2313', 'S', '3815', 'v', '9257', 'L', 'O', 'o', 'j', 'N', 4431, 'N', 469, 'Y', 5175, 613, 't', 2827, 3709]