In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['f', 1313, 'e', 'l', '8153', 'S', '2245', '1253', 'w', '8481', '8753', 'q', 'Y', '9905', '5625', 'N', '2685', 'C', '7059', '939', 'J', '245', 'N', '8605', 'F', 'S', 'p', 'q', 'O', 6589, 2029, 'F', 6551, 's', 'b', 'H', 'a', 'A', 4159], [5911, 'e', 4369, 3115, 1167, 'G', 9229, 2519, 'J', 'S', 'J', 'N', 8895, 4271, 37, 6735, 't', 'E', 3999, 'e', 'l', '8153', 'S', '2245', '1253', 'w', '8481', '8753', 'q', 'Y', '9905', '5625', 'N', '2685', 'C', '7059', '939', 'J', '245', 'N', '8605', 'F', 'S', 'p', 'f', 9331, 2467, 'b', 'p', 1669, 6971, 1373, 2113, 5409, 2343, 's', 931, 'G']