In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[8921, 'o', 'y', 7605, 'a', 'y', 'c', 'L', '4329', 'o', '4235', 'D', '3627', '247', '3555', '4237', 'm', 'Z', 'A', '1269', 'J', 1453, 'i', 2167, 'o', 'z', 'B', 'Q', 3167, 'O'], ['r', 'a', 2575, 'j', 'z', 'R', '4329', 'o', '4235', 'D', '3627', '247', '3555', '4237', 'm', 'Z', 'A', '1269', 'D', 4713, 'D', 8077, 'k', 607, 8787, 'n', 1941, 'M', 7413]