In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[931, 1311, 'E', 1533, 5139, 'i', 'z', 7199, 2643, 'D', '9269', '9091', '2511', 'B', 'g', '607', 'x', 'A', 'o', 'r', 'y', 'i', '6755', '5559', 'T', 'N', 'Q', 39, 'O'], [8135, 5515, 's', 8833, 3897, 'D', '9269', '9091', '2511', 'B', 'g', '607', 'x', 'A', 'o', 'r', 'y', 'i', '6755', '5559', 'T', 't', 'I', 5317, 8585, 5205, 1855, 'y', 3363, 1511, 4761, 'J', 'U', 'I', 4415, 'S']