In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[7097, 3327, 3097, 'q', 'C', 4535, 2087, 'U', 'J', 'R', 'z', 'C', 2157, 't', 7381, 5781, 4793, 'J', 'O', 7399, 'l', 2435, 9217, 5473, 8611, '6829', 'b', 'B', '2479', 's', 'P', '999', '1311', '5533', 'Z', '7317', '2317', 'Y', '3335', '4705', 'o', '5305', '8959', '8891', 'h', '8163', 'R', 'T', 'M', '5621', 'E', '1797', 't', 'w', 'P', 5741, 'H'], [3083, 'g', 'R', 'O', 'O', 'R', 6255, 7859, 'O', 9937, '6829', 'b', 'B', '2479', 's', 'P', '999', '1311', '5533', 'Z', '7317', '2317', 'Y', '3335', '4705', 'o', '5305', '8959', '8891', 'h', '8163', 'R', 'T', 'M', '5621', 'E', '1797', 'U', 4633, 'U', 6863, 'T', 241, 3391, 'n', 'M', 7683, 'X', 'F', 4445, 'J', 7391]