In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[6203, 1177, 'K', '1317', '7197', 'Q', 'G', 'y', 'z', 'V', '3475', '3781', '8845', '3743', 'o', '4219', 's', 'T', '6675', 'k', 'M', 'c', 559, 7299, 8849, 1111, 5463, 5039, 'e', 859, 'a', 'q'], [303, 5941, 'D', 'z', 'Z', 'f', 6037, 'W', 'G', 5757, 'K', '1317', '7197', 'Q', 'G', 'y', 'z', 'V', '3475', '3781', '8845', '3743', 'o', '4219', 's', 'T', '6675', 'U', 1843, 'L', 3261, 'E']