In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['y', 'z', 'o', 'j', 'X', 'P', 'I', 5565, 'P', 'k', 'D', '7511', '1837', '6683', 'e', '4029', 'V', 'p', 'b', '6875', 'f', '9657', 'c', '4185', 'O', '693', '2017', '6515', 'F', '3639', 'N', '5985', 'V', 'l', 9813, 9387], [1765, 'e', 1545, 5271, 6425, 't', 5667, 's', 'A', 'E', 5519, 'z', 1353, 3701, 4275, 3981, 'L', 6003, 5427, 'd', 'U', 1057, 8211, 'b', 'P', 'k', 'D', '7511', '1837', '6683', 'e', '4029', 'V', 'p', 'b', '6875', 'f', '9657', 'c', '4185', 'O', '693', '2017', '6515', 'F', '3639', 'N', '5985', 'V', 'j', 'm', 'd', 1531, 3055, 'V', 'H', 333, 1117, 1645, 'C', 'r', 'X', 'J', 'C', 'C', 5513, 3383, 7015, 8549]