In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7541, 4841, 'o', 'Q', 'V', 5319, 'G', 'U', 6503, 6203, 417, 1021, 's', 'R', 'z', 'K', 'N', 'D', '4047', 'p', 'A', 'I', '8327', 'M', 'y', 'O', '4851', '4727', 'E', '8759', 'Y', 'f', 'Y', 6021, 439, 1459, 'y', 'k', 'v', 's', 5331, 7387, 551, 5939, 'P', 'T', 'm', 'c', 'r'], ['M', 505, 'Y', 'N', 9905, 'D', 'O', 'P', 5039, 'Q', 1101, 2311, 7437, 9503, 'K', 'N', 'D', '4047', 'p', 'A', 'I', '8327', 'M', 'y', 'O', '4851', '4727', 'E', '8759', 'Y', 'f', 'm', 7585, 763, 217, 4087, 'Y', 'D', 9509]