In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[4375, 'd', 2921, 't', 'm', 'm', 2185, 'F', 's', '6919', 'Y', '6773', '8003', 'M', '4293', 'v', '7467', 'J', 'O', 'h', 'M', '791', '9523', 'o', 'X', '3307', '6465', '9235', 'o', 1441, 'Y', 4059, 'z', 8919, 8291, 'm', 9285, 'a', 5705, 'Z'], ['B', 'V', 'F', 's', '6919', 'Y', '6773', '8003', 'M', '4293', 'v', '7467', 'J', 'O', 'h', 'M', '791', '9523', 'o', 'X', '3307', '6465', '9235', 'G', 'R', 8121, 6217, 'Q', 3099, 4485, 'F', 'O', 'r', 'O', 'h', 3425]