In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[303, 6195, '2241', '45', 'l', 'n', 'v', 'T', '7481', '7295', '9407', 'o', '3643', 'H', 'a', 'u', 'Q', 'e', 'e', 'h'], ['O', 'F', 'U', 'O', 'X', 1793, 'o', 5515, '2241', '45', 'l', 'n', 'v', 'T', '7481', '7295', '9407', 'o', '3643', 'H', 'n', 131, 5677, 7093, 's', 7699]