In this task, you are given two lists A,B. Find the longest common subsequence in the lists A and B.
['k', 'Q', 'D', 'K', 'x', '8305', '10011', 'p', '5355', 'h', '5507', '5', 'i', '6045', 'K', 'N', '5721', '687', 'j', 4909, 'C', 815, 'I', 1691, 'T', 8375], [2273, 6985, 5557, 3823, 1115, '8305', '10011', 'p', '5355', 'h', '5507', '5', 'i', '6045', 'K', 'N', '5721', '687', 'A', 6243, 1807, 9971, 9155, 'S', 2013, 'h', 'l', 'N']