In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
[2725, 8289, 4673, 7901, '2383', 'q', 'n', '4357', 'U', 869, 4605, 3299], ['H', 'w', 'P', 5855, '2383', 'q', 'n', '4357', 'B', 'z']