In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[3479, 'm', '7761', 'K', 'q', 'u', 'C', 'N', '213', '8445', 'D', 'N', 7113, 'w', 3005, 'y', 7885, 4145, 'Y'], [2331, 1029, 2895, 1513, 6557, '7761', 'K', 'q', 'u', 'C', 'N', '213', '8445', 'D', 'i', 433, 1285]