In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2465, 'f', 'a', 7549, 3245, 9351, '5995', 'Q', 'U', 'v', '7787', '3555', 'J', 'E', 'K', '9863', '2813', '2583', 'f', 'Z', 7481, 'D', 9193, 911, 'X', 443, 8245, 'U', 'D', 5401, 'D'], ['d', 'L', 6595, 'y', '5995', 'Q', 'U', 'v', '7787', '3555', 'J', 'E', 'K', '9863', '2813', '2583', 'f', 'v', 207]