In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4379, 'e', 7585, 'C', '9169', '5177', '811', '5353', 'N', '2549', '3751', '9299', '3593', '1093', '9651', 'd', '6173', 'X', 'q', 8395, 3949, 'e', 'v', 'Q', 'Z', 'I', 'W'], [1217, 6675, 'v', 'p', 'y', 'B', 'r', 4607, 8805, 'W', 493, '9169', '5177', '811', '5353', 'N', '2549', '3751', '9299', '3593', '1093', '9651', 'd', '6173', 'J', 'I']